{"id":"CVE-2005-1600","aliases":["EUVD-2005-1603","GHSA-hv48-rgjv-9qj2"],"status":"published","title":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1...","description":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0146,"percentile":0.73749,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-05-16T04:00:00Z","modified":"2026-06-16T22:13:21Z","products":[{"vendor":"libtomcrypt","product":"libtomcrypt"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/20455","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securiteam.com/unixfocus/5JP092AFPG.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.osvdb.org/16188","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.securityfocus.com/bid/13473","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/15233","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.org/archive/1/397649","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-1600"},{"url":"https://github.com/advisories/GHSA-hv48-rgjv-9qj2"}],"sources":{"cve":[{"id":"CVE-2005-1600","description":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.","status":"published","published":"2005-05-16T04:00:00Z","modified":"2024-08-07T21:59:23.08Z","updated_at":"2026-11-02T14:33:39.916766Z"}],"euvd":[{"id":"EUVD-2005-1603","description":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.","status":"published","published":"2005-05-16T04:00:00Z","modified":"2024-08-07T21:59:23Z","updated_at":"2026-11-03T01:15:33.650851Z"}],"ghsa":[{"id":"GHSA-hv48-rgjv-9qj2","title":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1...","description":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.","status":"published","published":"2022-05-01T02:00:14Z","modified":"2023-01-30T05:07:37Z","updated_at":"2026-11-02T14:47:43.541029Z"}],"nvd":[{"id":"CVE-2005-1600","description":"A \"mathematical flaw\" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.","status":"published","published":"2005-05-16T04:00:00Z","modified":"2026-06-16T22:13:21.117Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:55.266741Z"}]}}