167 lines
6.3 KiB
JSON
167 lines
6.3 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-2026-35355",
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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": "2026-04-02T12:58:56.087Z",
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"datePublished": "2026-04-22T16:08:14.960Z",
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"dateUpdated": "2026-04-22T18:01:47.122Z"
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},
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"containers": {
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"cna": {
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"title": "uutils coreutils install Arbitrary File Overwrite via Symlink TOCTOU Race",
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"affected": [
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{
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"vendor": "Uutils",
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"product": "coreutils",
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"platforms": [
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"Linux",
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"Unix",
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"macOS"
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],
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"collectionURL": "https://github.com/uutils",
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"packageName": "coreutils",
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"repo": "https://github.com/uutils/coreutils",
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"versions": [
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{
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"status": "affected",
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"lessThan": "0.6.0",
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"version": "0",
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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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"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-367",
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"description": "CWE-367: Time-of-Check Time-of-Use (TOCTOU) Race Condition",
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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-29",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions"
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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": "The install utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file installation. The implementation unlinks an existing destination file and then recreates it using a path-based operation without the O_EXCL flag. A local attacker can exploit the window between the unlink and the subsequent creation to swap the path with a symbolic link, allowing them to redirect privileged writes to overwrite arbitrary system files."
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}
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],
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"references": [
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{
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"url": "https://github.com/uutils/coreutils/pull/10067",
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"tags": [
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"issue-tracking",
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"patch"
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]
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},
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{
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"url": "https://github.com/uutils/coreutils/releases/tag/0.6.0",
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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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"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": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.3,
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/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": "Zellic",
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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": "2026-04-22T16:08:14.960Z"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/uutils/coreutils/pull/10067",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-22T18:01:44.426332Z",
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"id": "CVE-2026-35355",
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"options": [
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{
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"Exploitation": "poc"
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2026-04-22T18:01:47.122Z"
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}
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}
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]
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}
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} |