{ "id": "CVE-2011-0064", "sourceIdentifier": "cve@mitre.org", "published": "2011-03-07T21:00:01.330", "lastModified": "2021-07-14T15:41:29.557", "vulnStatus": "Modified", "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html \r\n'CWE-476: NULL Pointer Dereference'", "descriptions": [ { "lang": "en", "value": "The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via crafted OpenType font data that triggers use of an incorrect index." }, { "lang": "es", "value": "La funci\u00f3n hb_buffer_ensure en hb-buffer.c de HarfBuzz, como el usuado en Pango v1.28.3,Firefox otros productos, no verifica que las reasignaciones de memoria sean exitosas, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (desreferenciar el puntero a NULL y bloqueo de la aplicaci\u00f3n) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de datos manipulados con fuente OpenType que provoca el uso de un \u00edndice incorrecto." } ], "metrics": { "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 6.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gnome:pango:1.28.3:*:*:*:*:*:*:*", "matchCriteriaId": "956EB013-290A-446A-9A88-FE3F73EBD0CE" }, { "vulnerable": true, "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "14E6A30E-7577-4569-9309-53A0AF7FE3AC" } ] } ] } ], "references": [ { "url": "http://cgit.freedesktop.org/harfbuzz/commit/?id=a6a79df5fe2ed2cd307e7a991346faee164e70d9", "source": "cve@mitre.org", "tags": [ "Patch" ] }, { "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056065.html", "source": "cve@mitre.org" }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html", "source": "cve@mitre.org" }, { "url": "http://securitytracker.com/id?1025145", "source": "cve@mitre.org" }, { "url": "http://www.debian.org/security/2011/dsa-2178", "source": "cve@mitre.org" }, { "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:040", "source": "cve@mitre.org" }, { "url": "http://www.redhat.com/support/errata/RHSA-2011-0309.html", "source": "cve@mitre.org" }, { "url": "http://www.securityfocus.com/bid/46632", "source": "cve@mitre.org" }, { "url": "http://www.ubuntu.com/usn/USN-1082-1", "source": "cve@mitre.org" }, { "url": "http://www.vupen.com/english/advisories/2011/0543", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0555", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0558", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://www.vupen.com/english/advisories/2011/0584", "source": "cve@mitre.org" }, { "url": "http://www.vupen.com/english/advisories/2011/0683", "source": "cve@mitre.org" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=606997", "source": "cve@mitre.org" }, { "url": "https://bugzilla.novell.com/show_bug.cgi?id=672502", "source": "cve@mitre.org" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=678563", "source": "cve@mitre.org", "tags": [ "Patch" ] }, { "url": "https://build.opensuse.org/request/show/63070", "source": "cve@mitre.org", "tags": [ "Patch" ] }, { "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65770", "source": "cve@mitre.org" } ] }