Vulnerability Description
Tor before 0.2.2.34, when configured as a client or bridge, sends a TLS certificate chain as part of an outgoing OR connection, which allows remote relays to bypass intended anonymity properties by reading this chain and then determining the set of entry guards that the client or bridge had selected.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tor | Tor | <= 0.2.2.33 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2011/dsa-2331
- https://blog.torproject.org/blog/tor-02234-released-security-patchesPatchVendor Advisory
- http://www.debian.org/security/2011/dsa-2331
- https://blog.torproject.org/blog/tor-02234-released-security-patchesPatchVendor Advisory
FAQ
What is CVE-2011-2768?
CVE-2011-2768 is a vulnerability with a CVSS score of 5.8 (MEDIUM). Tor before 0.2.2.34, when configured as a client or bridge, sends a TLS certificate chain as part of an outgoing OR connection, which allows remote relays to bypass intended anonymity properties by re...
How severe is CVE-2011-2768?
CVE-2011-2768 has been rated MEDIUM with a CVSS base score of 5.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2768?
Check the references section above for vendor advisories and patch information. Affected products include: Tor Tor.