297 lines
13 KiB
JSON
297 lines
13 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Apport",
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"vendor": "Canonical",
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"versions": [
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{
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"lessThan": "2.20.1-0ubuntu2.23",
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"status": "affected",
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"version": "2.20.1",
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"versionType": "custom"
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},
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{
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"lessThan": "2.20.9-0ubuntu7.14",
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"status": "affected",
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"version": "2.20.9",
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"versionType": "custom"
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},
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{
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"changes": [
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{
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"at": "2.20.11-0ubuntu22",
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"status": "unaffected"
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}
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],
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"lessThan": "2.20.11-0ubuntu8.8",
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"status": "affected",
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"version": "2.20.11",
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"versionType": "custom"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Maximilien Bourgeteau"
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}
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{
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"lang": "en",
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"value": "Time-of-check Time-of-use Race Condition vulnerability on crash report ownership change in Apport allows for a possible privilege escalation opportunity. If fs.protected_symlinks is disabled, this can be exploited between the os.open and os.chown calls when the Apport cron script clears out crash files of size 0. A symlink with the same name as the deleted file can then be created upon which chown will be called, changing the file owner to root. Fixed in versions 2.20.1-0ubuntu2.23, 2.20.9-0ubuntu7.14, 2.20.11-0ubuntu8.8 and 2.20.11-0ubuntu22."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "LOCAL",
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"availabilityImpact": "NONE",
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"baseScore": 5.6,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
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"version": "3.1"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-367",
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"description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
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"lang": "en",
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"type": "CWE"
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}
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"dateUpdated": "2020-06-24T20:06:03.000Z",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://usn.ubuntu.com/4315-1/"
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},
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{
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1862933"
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},
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{
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"name": "USN-4315-2",
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"tags": [
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"defect": [
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],
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"discovery": "EXTERNAL"
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},
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"title": "Apport race condition in crash report permissions",
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"x_generator": {
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"ASSIGNER": "security@ubuntu.com",
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"DATE_PUBLIC": "2020-04-02T00:43:00.000Z",
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"ID": "CVE-2020-8833",
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"STATE": "PUBLIC",
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"TITLE": "Apport race condition in crash report permissions"
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},
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"affects": {
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"vendor_data": [
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"product_data": [
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{
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"version_data": [
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{
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"platform": "",
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"version_affected": "<",
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"version_name": "2.20.1",
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"platform": "",
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"platform": "",
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"vendor_name": "Canonical"
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}
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}
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},
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"configuration": [],
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"credit": [
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{
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"lang": "eng",
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"value": "Maximilien Bourgeteau"
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