{"id":"CVE-2005-2643","aliases":["DEBIAN-CVE-2005-2643","EUVD-2005-2644","GHSA-jxhg-8chc-rj8x"],"status":"published","title":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject...","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","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":"2026-11-08","score":0.01247,"percentile":0.69524,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2005-08-21T04:00:00Z","modified":"2026-10-23T03:47:33Z","fixes":[{"ecosystem":"Debian:12","package":"tor","fixed_in":["0.1.0.14-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tor","fixed_in":["0.1.0.14-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tor","fixed_in":["0.1.0.14-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.0.14-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.0.14-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.0.14-1"}]}]}],"products":[{"vendor":"tor","product":"tor"}],"references":[{"url":"http://secunia.com/advisories/16424","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://archives.seul.org/or/announce/Aug-2005/msg00002.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory","advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=112448002732443\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://securitytracker.com/id?1014739","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-2643"},{"url":"https://github.com/advisories/GHSA-jxhg-8chc-rj8x"},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-2643","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-2643","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","status":"published","published":"2005-08-21T04:00:00Z","modified":"2024-08-07T22:45:01.889Z","updated_at":"2026-11-02T14:33:37.840038Z"}],"euvd":[{"id":"EUVD-2005-2644","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","status":"published","published":"2005-08-21T04:00:00Z","modified":"2024-08-07T22:45:01Z","updated_at":"2026-11-03T01:15:30.050034Z"}],"ghsa":[{"id":"GHSA-jxhg-8chc-rj8x","title":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject...","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","status":"published","published":"2022-05-01T02:10:21Z","modified":"2023-01-30T05:07:09Z","updated_at":"2026-11-02T14:47:38.392867Z"}],"nvd":[{"id":"CVE-2005-2643","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2026-06-16T22:15:23.62Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:56.147496Z"}],"osv":[{"id":"CVE-2005-2643","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2026-04-10T03:38:10.242045Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2005-2643","description":"Tor 0.1.0.13 and earlier, and experimental versions 0.1.1.4-alpha and earlier, does not reject certain weak keys when using ephemeral Diffie-Hellman (DH) handshakes, which allows malicious Tor servers to obtain the keys that a client uses for other systems in the circuit.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2026-10-23T03:47:33.260719658Z","updated_at":"2026-11-02T15:45:22.831407Z"}]}}