CVEvulnerability

CVE-2005-2643

5.0 MEDIUM Published 2005-08-23 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2005-08-23
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N

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.

Affected configurations

• tor tor 0.0.9 • tor tor 0.0.9.1 • tor tor 0.0.9.2 • tor tor 0.0.9.3 • tor tor 0.0.9.4 • tor tor 0.0.9.5 • tor tor 0.0.9.6 • tor tor 0.0.9.7 • tor tor 0.0.9.8 • tor tor 0.0.9.9 • tor tor 0.1.0.1 • tor tor 0.1.0.2 • tor tor 0.1.0.3 • tor tor 0.1.0.4 • tor tor 0.1.0.5 • tor tor 0.1.0.6 • tor tor 0.1.0.7 • tor tor 0.1.0.8 • tor tor 0.1.0.9 • tor tor 0.1.0.10 • tor tor 0.1.0.11 • tor tor 0.1.0.12 • tor tor 0.1.0.13 • tor tor 0.1.1.1 alpha • tor tor 0.1.1.2 alpha • tor tor 0.1.1.3 alpha • tor tor 0.1.1.4 alpha

References