213 lines
9.2 KiB
JSON
213 lines
9.2 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveId": "CVE-2026-53783",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-06-10T20:14:32.826Z",
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"datePublished": "2026-08-13T14:34:07.144Z",
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"dateUpdated": "2026-08-14T16:50:04.494Z"
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"shortName": "VulnCheck",
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"dateUpdated": "2026-08-14T16:50:04.494Z"
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},
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"title": "rsync < 3.5.0 TOCTOU Race Condition Directory Escape via rrsync",
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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-59",
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"description": "CWE-59 Improper Link Resolution Before File Access ('Link Following')",
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"type": "CWE"
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},
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{
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"lang": "en",
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"cweId": "CWE-88",
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"description": "CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')",
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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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"affected": [
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{
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"vendor": "RsyncProject",
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"product": "rsync",
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"packageURL": "pkg:github/RsyncProject/rsync",
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"repo": "https://github.com/RsyncProject/rsync",
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "3.4.4",
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"versionType": "semver"
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},
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{
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"status": "unaffected",
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"version": "3.5.0",
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}
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"versionEndIncluding": "3.4.4"
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}
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}
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{
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"lang": "en",
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"value": "rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer processing. Attackers can additionally leverage unrestricted flags such as --copy-unsafe-links, -D, and --log-file through rrsync to read or write files outside the permitted directory subtree.",
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"supportingMedia": [
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{
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"value": "<p>rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by substituting a symlink for a path component after validation but before transfer processing. Attackers can additionally leverage unrestricted flags such as --copy-unsafe-links, -D, and --log-file through rrsync to read or write files outside the permitted directory subtree.</p>"
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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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"url": "https://github.com/RsyncProject/rsync/security/advisories/GHSA-9cgc-64g4-3gv5",
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"name": "GitHub Security Advisory (GHSA-9cgc-64g4-3gv5)",
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"tags": [
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"vendor-advisory"
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},
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{
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"url": "https://github.com/RsyncProject/rsync/releases/tag/v3.5.0",
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"name": "rsync 3.5.0 Release Notes",
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"tags": [
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"release-notes"
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]
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},
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{
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"url": "https://www.vulncheck.com/advisories/rsync-toctou-race-condition-directory-escape-via-rrsync",
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"tags": [
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"third-party-advisory"
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"format": "CVSS",
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"lang": "en",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "HIGH",
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"baseScore": 8.6,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
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}
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"format": "CVSS",
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{
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"lang": "en",
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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": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "NONE",
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"baseSeverity": "HIGH",
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"baseScore": 8.1,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
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}
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.4"
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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": "2026-08-14T15:41:11.374187Z",
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"id": "CVE-2026-53783",
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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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}
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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": "2026-08-14T15:44:53.805Z"
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}
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}
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]
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}
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} |