{"id":"CVE-2009-0125","aliases":["EUVD-2009-0134","GHSA-38p9-hv7m-9vv5"],"status":"disputed","title":"** DISPUTED **  NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in...","description":"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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01496,"percentile":0.74382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2009-01-15T17:00:00Z","modified":"2026-06-16T23:04:18Z","products":[{"vendor":"finkproject","product":"libnasl"}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.attrition.org/pipermail/vim/2009-January/002133.html","tags":["mailing-list","x_refsource_VIM","x_transferred"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511517","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://openwall.com/lists/oss-security/2009/01/12/4","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=479655","tags":["x_refsource_CONFIRM","x_transferred","Exploit"]},{"url":"http://cvs.fedoraproject.org/viewvc/rpms/libnasl/F-10/libnasl.spec?r1=1.16\u0026r2=1.17","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0125"},{"url":"https://github.com/advisories/GHSA-38p9-hv7m-9vv5"}],"sources":{"cve":[{"id":"CVE-2009-0125","description":"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.","status":"disputed","published":"2009-01-15T17:00:00Z","modified":"2024-08-07T04:24:17.626Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0134","description":"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.","status":"published","published":"2009-01-15T17:00:00Z","modified":"2024-08-07T04:24:17Z","updated_at":"2026-11-03T01:39:27.128816Z"}],"ghsa":[{"id":"GHSA-38p9-hv7m-9vv5","title":"** DISPUTED **  NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in...","description":"** DISPUTED **  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.\"","status":"published","published":"2022-05-02T03:12:56Z","modified":"2023-01-31T05:07:46Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:49:16.50772Z"}],"nvd":[{"id":"CVE-2009-0125","description":"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.","status":"disputed","published":"2009-01-15T17:30:00.547Z","modified":"2026-06-16T23:04:18.35Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:01:33.417327Z"}]}}