Vulnerability Details : 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 systems in the circuit.
Products affected by CVE-2005-2643
- cpe:2.3:a:tor:tor:0.0.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.5:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.6:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.7:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.0.9.8:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.1_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.4_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.2_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.3_alpha:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2005-2643
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2005-2643
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
References for CVE-2005-2643
-
http://archives.seul.org/or/announce/Aug-2005/msg00002.html
Tor security advisory: DH handshake flawVendor Advisory
-
http://securitytracker.com/id?1014739
Access Denied
-
http://marc.info/?l=bugtraq&m=112448002732443&w=2
'Fwd: Tor security advisory: DH handshake flaw' - MARC
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