CVE-2011-4623

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{"lang": "es", "value": "Desbordamiento de entero en la funci\u00f3n rsCStrExtendBuf en runtime/stringbuf.c en el m\u00f3dulo imfile en rsyslog v4.x anteriores v4.6.6, v5.x anteriores a v5.7.4, y v6.x anteriores a v6.1.4, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (cuelgue del demonio) a trav\u00e9s de un fichero grande, que provoca un desbordamiento de b\u00fafer basado en memoria din\u00e1mica."}], "id": "CVE-2011-4623", "lastModified": "2026-06-16T23:35:09.917", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-09-25T23:55:01.033", "references": [{"source": "secalert@redhat.com", "url": "http://bugzilla.adiscon.com/show_bug.cgi?id=221"}, {"source": "secalert@redhat.com", "url": "http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101"}, {"source": "secalert@redhat.com", "url": "http://rsyslog.com/changelog-for-4-6-6-v4-stable/"}, {"source": "secalert@redhat.com", "url": "http://rsyslog.com/changelog-for-5-7-4-v5-beta/"}, {"source": "secalert@redhat.com", "url": "http://rsyslog.com/changelog-for-6-1-4-devel/"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45848"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/47698"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2011/12/22/2"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/51171"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id?1026556"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.ubuntu.com/usn/USN-1338-1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769822"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugzilla.adiscon.com/show_bug.cgi?id=221"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rsyslog.com/changelog-for-4-6-6-v4-stable/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rsyslog.com/changelog-for-5-7-4-v5-beta/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rsyslog.com/changelog-for-6-1-4-devel/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45848"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/47698"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2011/12/22/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/51171"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1026556"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.ubuntu.com/usn/USN-1338-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769822"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:0796", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "rsyslog-0:5.8.10-2.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-19T00:00:00Z"}], "bugzilla": {"description": "rsyslog: DoS due integer signedness error while extending rsyslog counted string buffer", "id": "769822", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769822"}, "csaw": false, "cvss": {"cvss_base_score": "5.4", "cvss_scoring_vector": "AV:A/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "details": ["Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow."], "name": "CVE-2011-4623", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "rsyslog", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-02-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4623\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4623"], "threat_severity": "Moderate"}

{}