CVE-2015-5277

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"La funci\u00f3n get_contents en nss_files/files-XXX.c en el Name Service Switch (NSS) en GNU C Library (tambi\u00e9n conocida como glibc o libc6) en versiones anteriores a 2.20 puede permitir a usuarios locales causar una denegaci\u00f3n de servicio (corrupci\u00f3n de pila) o ganar privilegios a trav\u00e9s de una larga fila en la base de datos de archivos NSS."}], "id": "CVE-2015-5277", "lastModified": "2026-06-17T00:28:48.217", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": 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{"acknowledgement": "This issue was discovered by Luk\u00e1\u0161 Slebodn\u00edk (Red Hat) and Sumit Bose.", "affected_release": [{"advisory": "RHSA-2015:2172", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "glibc-0:2.17-106.el7_2.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}, {"advisory": "RHSA-2015:2589", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "glibc-0:2.17-79.el7_1", "product_name": "Red Hat Enterprise Linux 7.1 Extended Update Support", "release_date": "2015-12-09T00:00:00Z"}], "bugzilla": {"description": "glibc: data corruption while reading the NSS files database", "id": "1262914", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1262914"}, "csaw": false, "cvss": {"cvss_base_score": "3.7", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-119", "details": ["The get_contents function in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) before 2.20 might allow local users to cause a denial of service (heap corruption) or gain privileges via a long line in the NSS files database.", "It was discovered that the nss_files backend for the Name Service Switch in glibc would return incorrect data to applications or corrupt the heap (depending on adjacent heap contents). A local attacker could potentially use this flaw to execute arbitrary code on the system."], "name": "CVE-2015-5277", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2015-09-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-5277\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-5277\nhttps://sourceware.org/bugzilla/show_bug.cgi?id=17079"], "threat_severity": "Important"}

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