CVE-2005-2643 json
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 Diffi…
published 2005-08-21 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2644
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- tor Debian 14, Debian 13, Debian 12 0.1.0.14-1
debian advisories DEBIAN-CVE-2005-2643
- secunia.com/advisories/16424 advisory
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
References
-
secunia.com
/advisories/16424
third-party-advisory, patch, vendor-advisory
-
archives.seul.org
/or/announce/Aug-2005/msg00002.html
mailing-list, vendor-advisory
-
marc.info
/?l=bugtraq&m=112448002732443&w=2
mailing-list
-
securitytracker.com
/id?1014739
vdb-entry
Sources
- CVE List CVE-2005-2643
- NVD CVE-2005-2643
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.