164 lines
7.9 KiB
JSON
164 lines
7.9 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-2026-96807",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"state": "PUBLISHED",
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"assignerShortName": "mitre",
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"dateReserved": "2026-09-23T16:54:16.535Z",
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"datePublished": "2026-09-23T16:54:16.931Z",
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"dateUpdated": "2026-09-26T22:51:21.873Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"platforms": [
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"Linux"
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],
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"product": "Flatpak",
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"programFiles": [
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"common/flatpak-run.c"
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],
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"programRoutines": [
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{
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"name": "regenerate_ld_cache"
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}
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],
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"repo": "https://github.com/flatpak/flatpak",
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"vendor": "Flatpak",
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"versions": [
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{
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"lessThan": "1.18.1",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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}
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]
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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": "In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location. The filenames and content are not attacker controlled, making this hard to exploit."
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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": "LOW",
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"baseScore": 4,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L",
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"version": "3.1"
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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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}
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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-61",
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"description": "CWE-61 UNIX Symbolic Link (Symlink) Following",
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"lang": "en",
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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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"providerMetadata": {
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2026-09-23T16:54:16.931Z"
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},
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"references": [
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{
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"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-99wv-m8rp-g58x"
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}
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],
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"solutions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>The issue has been fixed in version 1.18.1 by commits:</p>\n<ul>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://github.com/flatpak/flatpak/commit/e13dfeda330625d2fecc3a54672dfd4dc9c83a5c\">e13dfed</a> \"common: Fix return value and typos in flatpak_switch_symlink_and_remove\"</li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://github.com/flatpak/flatpak/commit/f6c8fb5fdb3737e2f45068afe12c4bf1d808fd55\">f6c8fb5</a> \"common: Use fd-based operations in flatpak_switch_symlink_and_remove\"</li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://github.com/flatpak/flatpak/commit/76c9296b6780ca67f44cf67f0823f086d692a592\">76c9296</a> \"run: Harden regenerate_ld_cache against symlink attacks\"</li>\n</ul>\n<p>For LTS operating system distributions, backports of these changes are available in the <code>flatpak-1.16.x</code>\n branch. Please note that cherry-picked libglnx changes \"chase: Add \ninternal glnx_chaseat_full for a strategic callback\" and \"chase: Add \nglnx_chase_and_mkdirat\" are also required.</p>"
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}
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],
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"value": "The issue has been fixed in version 1.18.1 by commits:\n\n\n\n * e13dfed https://github.com/flatpak/flatpak/commit/e13dfeda330625d2fecc3a54672dfd4dc9c83a5c \"common: Fix return value and typos in flatpak_switch_symlink_and_remove\"\n\n * f6c8fb5 https://github.com/flatpak/flatpak/commit/f6c8fb5fdb3737e2f45068afe12c4bf1d808fd55 \"common: Use fd-based operations in flatpak_switch_symlink_and_remove\"\n\n * 76c9296 https://github.com/flatpak/flatpak/commit/76c9296b6780ca67f44cf67f0823f086d692a592 \"run: Harden regenerate_ld_cache against symlink attacks\"\n\n\n\n\nFor LTS operating system distributions, backports of these changes are available in the flatpak-1.16.x\n branch. Please note that cherry-picked libglnx changes \"chase: Add \ninternal glnx_chaseat_full for a strategic callback\" and \"chase: Add \nglnx_chase_and_mkdirat\" are also required."
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}
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],
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"x_generator": {
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"engine": "CVE-Request-form 0.0.1"
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},
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.18.1"
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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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"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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"id": "CVE-2026-96807",
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"role": "CISA Coordinator",
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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": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-09-26T22:45:37.260895Z"
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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": "2026-09-26T22:51:21.873Z"
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}
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}
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]
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}
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} |