282 lines
11 KiB
JSON
282 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-3888",
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"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
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"state": "PUBLISHED",
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"assignerShortName": "canonical",
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"dateReserved": "2026-03-10T16:03:08.583Z",
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"datePublished": "2026-03-17T14:02:08.475Z",
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"dateUpdated": "2026-03-18T08:59:07.522Z"
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},
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"containers": {
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"cna": {
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"title": "Local Privilege Escalation in snapd",
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"datePublic": "2026-03-17T14:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-268",
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"description": "CWE-268 Privilege chaining",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-233",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-233 Privilege Escalation"
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}
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]
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}
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],
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"affected": [
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{
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"collectionURL": "https://github.com/canonical",
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"packageName": "snapd",
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"repo": "https://github.com/canonical/snapd/",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "2.75.1",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Canonical",
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"product": "Ubuntu 16.04 LTS",
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"platforms": [
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"Linux"
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],
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"collectionURL": "https://launchpad.net/ubuntu/xenial",
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"packageName": "snapd",
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"repo": "https://launchpad.net/ubuntu/+source/snapd",
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"versions": [
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{
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"status": "unaffected",
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"version": "2.61.4ubuntu0.16.04.1+esm2",
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"lessThan": "*",
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"versionType": "dpkg"
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}
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],
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"defaultStatus": "affected"
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},
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{
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"vendor": "Canonical",
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"product": "Ubuntu 18.04 LTS",
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"platforms": [
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"Linux"
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],
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"collectionURL": "https://launchpad.net/ubuntu/bionic",
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"packageName": "snapd",
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"repo": "https://launchpad.net/ubuntu/+source/snapd",
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"versions": [
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{
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"status": "unaffected",
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"version": "2.61.4ubuntu0.18.04.1+esm2",
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"lessThan": "*",
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"versionType": "dpkg"
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}
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],
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"defaultStatus": "affected"
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},
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{
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"vendor": "Canonical",
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"product": "Ubuntu 20.04 LTS",
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"platforms": [
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"Linux"
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],
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"collectionURL": "https://launchpad.net/ubuntu/focal",
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"packageName": "snapd",
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"repo": "https://launchpad.net/ubuntu/+source/snapd",
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"versions": [
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{
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"status": "unaffected",
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"version": "2.67.1+20.04ubuntu1~esm1",
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"lessThan": "*",
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"versionType": "dpkg"
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}
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],
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"defaultStatus": "affected"
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},
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{
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"vendor": "Canonical",
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"product": "Ubuntu 22.04 LTS",
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"platforms": [
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"Linux"
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],
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"collectionURL": "https://launchpad.net/ubuntu/jammy",
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"packageName": "snapd",
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"repo": "https://launchpad.net/ubuntu/+source/snapd",
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"versions": [
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{
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"status": "unaffected",
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"version": "2.73+ubuntu22.04.1",
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"lessThan": "*",
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"versionType": "dpkg"
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}
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],
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"defaultStatus": "affected"
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},
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{
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"vendor": "Canonical",
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"product": "Ubuntu 24.04 LTS",
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"platforms": [
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"Linux"
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],
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"collectionURL": "https://launchpad.net/ubuntu/noble",
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"packageName": "snapd",
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"repo": "https://launchpad.net/ubuntu/+source/snapd",
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"versions": [
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{
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"status": "unaffected",
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"version": "2.73+ubuntu24.04.2",
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"lessThan": "*",
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"versionType": "dpkg"
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}
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],
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"defaultStatus": "affected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS."
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}
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],
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"references": [
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{
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"url": "https://ubuntu.com/security/CVE-2026-3888",
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"tags": [
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"vdb-entry",
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"issue-tracking"
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]
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},
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{
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"url": "https://ubuntu.com/security/notices/USN-8102-1",
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"tags": [
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"vendor-advisory"
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]
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},
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{
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"url": "https://discourse.ubuntu.com/t/snapd-local-privilege-escalation-cve-2026-3888",
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"tags": [
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"technical-description",
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"vendor-advisory"
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]
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},
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{
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"url": "https://blog.qualys.com/vulnerabilities-threat-research/2026/03/17/cve-2026-3888-important-snap-flaw-enables-local-privilege-escalation-to-root",
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"tags": [
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"technical-description",
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"media-coverage"
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]
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},
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{
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"url": "https://cdn2.qualys.com/advisory/2026/03/17/snap-confine-systemd-tmpfiles.txt",
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"tags": [
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"technical-description",
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"media-coverage"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.8,
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
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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": "Qualys Security Advisory Team",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"providerMetadata": {
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"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
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"shortName": "canonical",
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"dateUpdated": "2026-03-18T08:59:07.522Z"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-03-17T00:00:00+00:00",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3",
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"id": "CVE-2026-3888"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-03-18T03:55:45.787Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://www.openwall.com/lists/oss-security/2026/03/18/1"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2026-03-18T03:02:10.640Z"
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}
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}
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]
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}
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} |