CVE-2012-0056

{"id": "CVE-2012-0056", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2012-01-27T15:55:04.813", "references": [{"url": "http://blog.zx2c4.com/749", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/47708", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://ubuntu.com/usn/usn-1336-1", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.kb.cert.org/vuls/id/470151", "tags": ["Third Party Advisory", "US Government Resource"], "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/18/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/18/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/19/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/22/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.redhat.com/support/errata/RHSA-2012-0052.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.redhat.com/support/errata/RHSA-2012-0061.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/51625", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=782642", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://blog.zx2c4.com/749", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/47708", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://ubuntu.com/usn/usn-1336-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kb.cert.org/vuls/id/470151", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/18/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/18/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/19/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2012/01/22/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.redhat.com/support/errata/RHSA-2012-0052.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.redhat.com/support/errata/RHSA-2012-0061.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/51625", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=782642", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "descriptions": [{"lang": "en", "value": "The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper."}, {"lang": "es", "value": "La funci\u00f3n mem_write en el kernel de Linux anterior a versi\u00f3n 3.2.2, cuando ASLR est\u00e1 deshabilitado, no comprueba apropiadamente los permisos al escribir en /proc/(pid)/mem, lo que permite a los usuarios locales alcanzar privilegios al modificar la memoria del proceso, como es demostrado por Mempodipper ."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "86B2C115-07AE-4EC0-AB16-5C92A8E0467B", "versionEndExcluding": "3.0.18", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "650F5839-D928-4B29-9E0B-246A4C0CC0D5", "versionEndExcluding": "3.2.2", "versionStartIncluding": "3.1"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}