CVE-2013-4247

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0C23085C-93BE-474E-845B-3BD66661D58F", "versionEndExcluding": "3.9.6", "versionStartIncluding": "3.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Off-by-one error in the build_unc_path_to_root function in fs/cifs/connect.c in the Linux kernel before 3.9.6 allows remote attackers to cause a denial of service (memory corruption and system crash) via a DFS share mount operation that triggers use of an unexpected DFS referral name length."}, {"lang": "es", "value": "Error de superaci\u00f3n de l\u00edmite (off-by-one) en la funci\u00f3n build_unc_path_to_root en fs/cifs/connect.c en Linux kernel anterior a v3.9.6 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria y ca\u00edda del sistema) a trav\u00e9s de una operaci\u00f3n de montaje DFS compartido lo que provoca el uso de un DFS inesperado referido a la longitud del nombre."}], "id": "CVE-2013-4247", "lastModified": "2026-06-16T23:56:53.307", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-08-25T03:27:32.960", "references": [{"source": "secalert@redhat.com", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2013/08/14/10"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=998401"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2013/08/14/10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=998401"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3b"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: cifs: off-by-one bug in build_unc_path_to_root", "id": "998401", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=998401"}, "csaw": false, "cvss": {"cvss_base_score": "4.6", "cvss_scoring_vector": "AV:A/AC:H/Au:N/C:N/I:N/A:C", "status": "draft"}, "cwe": "CWE-193", "details": ["Off-by-one error in the build_unc_path_to_root function in fs/cifs/connect.c in the Linux kernel before 3.9.6 allows remote attackers to cause a denial of service (memory corruption and system crash) via a DFS share mount operation that triggers use of an unexpected DFS referral name length."], "name": "CVE-2013-4247", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2013-05-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4247\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4247"], "statement": "This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.", "threat_severity": "Moderate"}

{}