CVE-2009-0125

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:finkproject:libnasl:2.2.11:*:*:*:*:*:*:*", "matchCriteriaId": "E21F62BE-A2DD-4FAB-9745-8BB7B6AF255D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library (aka libnasl) 2.2.11 does not properly check the return value from the OpenSSL DSA_do_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: the upstream vendor has disputed this issue, stating \"while we do misuse this function (this is a bug), it has absolutely no security ramification."}, {"lang": "es", "value": "** DISPUTADA ** NOTA: este problema ha sido disputado por el proveedor de origen. nasl/nasl_crypto2.c en la librer\u00eda Nessus Attack Scripting Language (tambi\u00e9n conocida como libnasl) 2.2.11 no comprueba correctamente el valor de retorno de la funci\u00f3n DSA_do_verify function de OpenSSL, lo que permite a atacantes remotos evadir la validaci\u00f3n de una cadena de certificados a trav\u00e9s de una firma SSL/TLS malformada, una vulnerabilidad similar a CVE-2008-5077. NOTA: el proveedor de origen ha disputado este problema, diciendo que 'aunque hacemos un uso indebido de esta funci\u00f3n (se trata de un bug), no tiene ninguna ramificaci\u00f3n de seguridad.'"}], "id": "CVE-2009-0125", "lastModified": "2026-06-16T23:04:18.350", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-01-15T17:30:00.547", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511517"}, {"source": "cve@mitre.org", "url": "http://cvs.fedoraproject.org/viewvc/rpms/libnasl/F-10/libnasl.spec?r1=1.16&r2=1.17"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html"}, {"source": "cve@mitre.org", "url": "http://openwall.com/lists/oss-security/2009/01/12/4"}, {"source": "cve@mitre.org", "url": "http://www.attrition.org/pipermail/vim/2009-January/002133.html"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=479655"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511517"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://cvs.fedoraproject.org/viewvc/rpms/libnasl/F-10/libnasl.spec?r1=1.16&r2=1.17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://openwall.com/lists/oss-security/2009/01/12/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.attrition.org/pipermail/vim/2009-January/002133.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=479655"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libnasl: OpenSSL incorrect checks for malformed signatures", "id": "479655", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=479655"}, "csaw": false, "details": ["NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library (aka libnasl) 2.2.11 does not properly check the return value from the OpenSSL DSA_do_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: the upstream vendor has disputed this issue, stating \"while we do misuse this function (this is a bug), it has absolutely no security ramification."], "name": "CVE-2009-0125", "public_date": "2009-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0125"], "threat_severity": "Important"}

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