365 lines
9.8 KiB
JSON
365 lines
9.8 KiB
JSON
{
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"schema_version": "1.7.0",
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"id": "USN-4424-1",
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"summary": "snapd vulnerabilities",
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"details": "It was discovered that cloud-init as managed by snapd on Ubuntu Core 16 and\nUbuntu Core 18 devices ran on every boot without restrictions. A physical\nattacker could exploit this to craft cloud-init user-data/meta-data via\nexternal media to perform arbitrary changes on the device to bypass\nintended security mechanisms such as full disk encryption. This issue did\nnot affect traditional Ubuntu systems. (CVE-2020-11933)\n\nIt was discovered that snapctl user-open allowed altering the XDG_DATA_DIRS \nenvironment variable when calling the system xdg-open. A malicious snap \ncould exploit this to bypass intended access restrictions to control how\nthe host system xdg-open script opens the URL. This issue did not affect \nUbuntu Core systems. (CVE-2020-11934)\n",
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"aliases": [],
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"upstream": [
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"UBUNTU-CVE-2020-11933",
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"UBUNTU-CVE-2020-11934"
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],
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"related": [],
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"published": "2020-07-15T14:49:53Z",
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"modified": "2026-02-10T04:41:52Z",
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"affected": [
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{
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"package": {
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"ecosystem": "Ubuntu:16.04:LTS",
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"name": "snapd",
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"purl": "pkg:deb/ubuntu/snapd@2.45.1ubuntu0.2?arch=source&distro=xenial"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "2.45.1ubuntu0.2"
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}
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]
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}
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],
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"versions": [
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"1.9",
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"1.9.1.1",
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"1.9.2",
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"2.0",
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"2.0.1",
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"2.0.2",
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"2.0.3",
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"2.0.5",
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"2.0.8",
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"2.0.9",
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"2.0.10",
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"2.11+0.16.04",
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"2.12+0.16.04",
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"2.13",
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"2.14.2~16.04",
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"2.15.2ubuntu1",
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"2.16ubuntu3",
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"2.17.1ubuntu1",
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"2.20.1ubuntu1",
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"2.21",
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"2.22.2",
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"2.22.3",
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"2.22.6",
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"2.23.1",
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"2.24.1",
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"2.25",
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"2.26.10",
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"2.27.5",
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"2.28.5",
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"2.29.4.2",
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"2.32.3.2",
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"2.32.9",
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"2.33.1ubuntu2",
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"2.34.2",
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"2.34.2ubuntu0.1",
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"2.37.4",
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"2.37.4ubuntu0.1",
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"2.38",
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"2.39.2",
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"2.39.2ubuntu0.2",
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"2.40",
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"2.42.1",
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"2.45.1"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "golang-github-snapcore-snapd-dev",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "golang-github-ubuntu-core-snappy-dev",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "snap-confine",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "snapd",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "snapd-xdg-open",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "ubuntu-core-launcher",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "ubuntu-core-snapd-units",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "ubuntu-snappy",
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"binary_version": "2.45.1ubuntu0.2"
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},
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{
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"binary_name": "ubuntu-snappy-cli",
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"binary_version": "2.45.1ubuntu0.2"
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}
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],
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"availability": "No subscription required"
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},
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"database_specific": {
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"cves_map": {
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"ecosystem": "Ubuntu:16.04:LTS",
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"cves": [
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{
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"id": "CVE-2020-11934",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N"
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},
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N"
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},
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{
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"type": "Ubuntu",
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"score": "medium"
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}
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]
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}
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]
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}
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}
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},
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{
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS",
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"name": "snapd",
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"purl": "pkg:deb/ubuntu/snapd@2.45.1+18.04.2?arch=source&distro=bionic"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "2.45.1+18.04.2"
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}
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]
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}
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],
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"versions": [
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"2.28.5+17.10",
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"2.29.4.1+18.04",
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"2.29.4.2+18.04",
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"2.31.1+18.04",
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"2.32+18.04~pre5",
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"2.32+18.04~pre6",
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"2.32+18.04",
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"2.32.3.2+18.04",
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"2.32.5+18.04",
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"2.32.8+18.04",
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"2.32.9+18.04",
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"2.33.1+18.04ubuntu2",
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"2.34.2+18.04",
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"2.34.2+18.04.1",
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"2.37.1+18.04",
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"2.37.1.1+18.04",
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"2.37.4+18.04",
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"2.37.4+18.04.1",
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"2.38+18.04",
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"2.39.2+18.04",
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"2.40+18.04",
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"2.42.1+18.04",
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"2.45.1+18.04"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "golang-github-snapcore-snapd-dev",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "golang-github-ubuntu-core-snappy-dev",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "snap-confine",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "snapd",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "snapd-xdg-open",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "ubuntu-core-launcher",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "ubuntu-core-snapd-units",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "ubuntu-snappy",
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"binary_version": "2.45.1+18.04.2"
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},
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{
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"binary_name": "ubuntu-snappy-cli",
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"binary_version": "2.45.1+18.04.2"
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}
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],
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"availability": "No subscription required"
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},
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"database_specific": {
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"cves_map": {
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"ecosystem": "Ubuntu:18.04:LTS",
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"cves": [
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{
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"id": "CVE-2020-11934",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N"
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},
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N"
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},
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{
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"type": "Ubuntu",
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"score": "medium"
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}
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]
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}
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]
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}
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}
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},
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{
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"package": {
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"ecosystem": "Ubuntu:20.04:LTS",
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"name": "snapd",
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"purl": "pkg:deb/ubuntu/snapd@2.45.1+20.04.2?arch=source&distro=focal"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "2.45.1+20.04.2"
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}
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]
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}
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],
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"versions": [
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"2.41+19.10.1",
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"2.42.1+20.04",
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"2.43.3+git1.8109f8",
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"2.44~pre1+20.04",
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"2.44+20.04",
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"2.44.2+20.04",
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"2.44.3+20.04",
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"2.45.1+20.04"
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],
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"ecosystem_specific": {
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"binaries": [
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{
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"binary_name": "golang-github-snapcore-snapd-dev",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "golang-github-ubuntu-core-snappy-dev",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "snap-confine",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "snapd",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "snapd-xdg-open",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "ubuntu-core-launcher",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "ubuntu-core-snapd-units",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "ubuntu-snappy",
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"binary_version": "2.45.1+20.04.2"
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},
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{
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"binary_name": "ubuntu-snappy-cli",
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"binary_version": "2.45.1+20.04.2"
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}
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],
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"availability": "No subscription required"
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},
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"database_specific": {
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"cves_map": {
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"ecosystem": "Ubuntu:20.04:LTS",
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"cves": [
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{
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"id": "CVE-2020-11934",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N"
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},
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N"
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},
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{
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"type": "Ubuntu",
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"score": "medium"
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}
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]
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}
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]
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}
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}
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}
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],
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"references": [
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{
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"type": "ADVISORY",
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"url": "https://ubuntu.com/security/notices/USN-4424-1"
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},
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{
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"type": "REPORT",
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"url": "https://ubuntu.com/security/CVE-2020-11933"
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},
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{
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"type": "REPORT",
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"url": "https://ubuntu.com/security/CVE-2020-11934"
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}
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]
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} |