SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2005-2643

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…

MEDIUM 5.0EPSS 1.25%

Does this matter?

Lower severity and a low EPSS score (1.25%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
1.25% probability · 68th percentile
CISA KEV
Not listed
Affected
tor/tor
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.