CVE-2023-24056

{"id": "CVE-2023-24056", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2023-01-22T04:15:11.617", "references": [{"url": "https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/pkgconf/pkgconf/tags", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://nullprogram.com/blog/2023/01/18/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/pkgconf/pkgconf/tags", "tags": ["Release Notes", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://nullprogram.com/blog/2023/01/18/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes."}, {"lang": "es", "value": "En pkgconf hasta 1.9.3, la duplicaci\u00f3n de variables puede causar una expansi\u00f3n ilimitada de cadenas debido a comprobaciones incorrectas en libpkgconf/tuple.c:pkgconf_tuple_parse. Por ejemplo, un archivo .pc que contiene unos pocos cientos de bytes puede expandirse hasta mil millones de bytes."}], "lastModified": "2025-04-02T16:15:33.967", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pkgconf:pkgconf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C4610C3-CF01-473F-9ED6-BE94F0DC71D5", "versionEndIncluding": "1.9.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}