CVE-2015-8920

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"matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC45D478-0BA2-4386-B1D2-E516D9AC28A9", "versionEndIncluding": "3.1.901a", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file."}, {"lang": "es", "value": "La funci\u00f3n lha_ar_read_header en archive_read_support_format_ar.c en libarchive en versiones anteriores a 3.2.0 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (lectura de pila fuera de rango) a trav\u00e9s de un archivo ar manipulado."}], "id": "CVE-2015-8920", "lastModified": "2026-06-17T00:35:28.873", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-09-20T14:15:06.447", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2016-1844.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2016-1850.html"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3657"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/06/17/2"}, {"source": "cve@mitre.org", "tags": ["Third Party 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{"affected_release": [{"advisory": "RHSA-2016:1850", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libarchive-0:2.8.3-7.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-09-12T00:00:00Z"}, {"advisory": "RHSA-2016:1844", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "libarchive-0:3.1.2-10.el7_2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-09-12T00:00:00Z"}], "bugzilla": {"description": "libarchive: Stack out of bounds read in ar parser", "id": "1348416", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1348416"}, "csaw": false, "cvss": {"cvss_base_score": "3.5", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:P/I:N/A:N", "status": "verified"}, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-228->CWE-125", "details": ["The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.", "A vulnerability was found in libarchive. A specially crafted AR archive could cause the application to read a single byte of application memory, potentially disclosing it to the attacker."], "name": "CVE-2015-8920", "public_date": "2016-06-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8920\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8920"], "threat_severity": "Low"}

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