CVE-2021-41072

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-41072", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-04T02:59:31.057Z", "dateReserved": "2021-09-14T00:00:00.000Z", "datePublished": "2021-09-14T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-05-30T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link and then contents under the same filename in a filesystem can cause unsquashfs to first create the symbolic link pointing outside the expected directory, and then the subsequent write operation will cause the unsquashfs process to write through the symbolic link elsewhere in the filesystem."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/plougher/squashfs-tools/commit/e0485802ec72996c20026da320650d8362f555bd"}, {"url": "https://github.com/plougher/squashfs-tools/issues/72#issuecomment-913833405"}, {"name": "DSA-4987", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2021/dsa-4987"}, {"name": "[debian-lts-announce] 20211020 [SECURITY] [DLA 2789-1] squashfs-tools security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00017.html"}, {"name": "GLSA-202305-29", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202305-29"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:59:31.057Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/plougher/squashfs-tools/commit/e0485802ec72996c20026da320650d8362f555bd", "tags": ["x_transferred"]}, {"url": "https://github.com/plougher/squashfs-tools/issues/72#issuecomment-913833405", "tags": ["x_transferred"]}, {"name": "DSA-4987", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4987"}, {"name": "[debian-lts-announce] 20211020 [SECURITY] [DLA 2789-1] squashfs-tools security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00017.html"}, {"name": "GLSA-202305-29", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202305-29"}]}]}}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squashfs-tools_project:squashfs-tools:4.5:*:*:*:*:*:*:*", "matchCriteriaId": "259A52A7-B40A-45B5-B5F5-CE79A4DE4266", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link and then contents under the same filename in a filesystem can cause unsquashfs to first create the symbolic link pointing outside the expected directory, and then the subsequent write operation will cause the unsquashfs process to write through the symbolic link elsewhere in the filesystem."}, {"lang": "es", "value": "Una funci\u00f3n squashfs_opendir en el archivo unsquash-2.c en Squashfs-Tools versi\u00f3n 4.5 permite un Salto de Directorio, una vulnerabilidad diferente a CVE-2021-40153. Un sistema de archivos squashfs que ha sido dise\u00f1ado para incluir un enlace simb\u00f3lico y luego contenidos bajo el mismo nombre de archivo en un sistema de archivos puede causar que unsquashfs primero cree el enlace simb\u00f3lico apuntando fuera del directorio esperado, y luego la operaci\u00f3n de escritura subsiguiente causar\u00e1 que el proceso unsquashfs escriba mediante el enlace simb\u00f3lico en otra parte del sistema de archivos"}], "id": "CVE-2021-41072", "lastModified": "2026-06-17T04:07:49.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-14T01:15:07.747", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/plougher/squashfs-tools/commit/e0485802ec72996c20026da320650d8362f555bd"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/plougher/squashfs-tools/issues/72#issuecomment-913833405"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00017.html"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/202305-29"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4987"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/plougher/squashfs-tools/commit/e0485802ec72996c20026da320650d8362f555bd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/plougher/squashfs-tools/issues/72#issuecomment-913833405"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202305-29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4987"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3139", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "squashfs-tools-0:4.3-21.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:2396", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "squashfs-tools-0:4.4-10.git1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}], "bugzilla": {"description": "squashfs-tools: possible Directory Traversal via symbolic link", "id": "2004957", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2004957"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "status": "verified"}, "cwe": "CWE-59", "details": ["squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link and then contents under the same filename in a filesystem can cause unsquashfs to first create the symbolic link pointing outside the expected directory, and then the subsequent write operation will cause the unsquashfs process to write through the symbolic link elsewhere in the filesystem.", "A directory traversal flaw was found in squashfs-tools. During extraction, a file can escape the destination directory by using a symbolic link, and a regular file with an identical name. This flaw allows a specially crafted squashfs archive to install or overwrite files outside of the destination directory."], "name": "CVE-2021-41072", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "squashfs-tools", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "squashfs-tools", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2021-09-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-41072\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-41072"], "threat_severity": "Moderate"}

{}