CVE-2015-3246

{"id": "CVE-2015-3246", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2015-3246", "role": "CISA Coordinator", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-26T00:00:00+00:00"}}], "cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": true, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.4}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2015-08-11T14:59:07.040", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1482.html", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1483.html", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/76022", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securitytracker.com/id/1033040", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/articles/1537873", "tags": ["Mitigation", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.exploit-db.com/exploits/44633/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt", "tags": ["Exploit"], "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163044.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162947.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00000.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1482.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1483.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/76022", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1033040", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/articles/1537873", "tags": ["Mitigation", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.exploit-db.com/exploits/44633/", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.qualys.com/2015/07/23/cve-2015-3245-cve-2015-3246/cve-2015-3245-cve-2015-3246.txt", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://blog.talosintelligence.com/uat-10147-chinese-speaking-adversary-integrates-agentic-ai-into-post-compromise-operations/", "tags": ["Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-3246", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-367"}]}], "descriptions": [{"lang": "en", "value": "libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges."}, {"lang": "es", "value": "Vulnerabilidad en libuser en versiones anteriores 0.56.13-8 y 0.60 en versiones anteriores a 0.60.7, tal como se utiliza en el programa userhelper en el paquete usermode, modifica directamente /etc/passwd, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (estado de archivo inconsistente) causando un error durante la modificaci\u00f3n. NOTA: este problema se puede combinar con CVE-2015-3245 para obtener privilegios."}], "lastModified": "2026-08-27T04:16:36.600", "cisaActionDue": "2026-09-09", "cisaExploitAdd": "2026-08-26", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D8B549B-E57B-4DFE-8A13-CAB06B5356B3"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libuser_project:libuser:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74EBBDF5-9621-4D8D-8B14-CE05F509EC5C", "versionEndExcluding": "0.56.13-8"}, {"criteria": "cpe:2.3:a:libuser_project:libuser:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1EA764AD-8E7B-4D82-A246-66582E8D80B7", "versionEndExcluding": "0.60-7", "versionStartIncluding": "0.60"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "Red Hat Libuser Race Condition Vulnerability"}