Tor before 0.1.1.20 uses OpenSSL pseudo-random bytes (RAND_pseudo_bytes) instead of cryptographically strong RAND_bytes, and seeds the entropy value at start-up with 160-bit chunks without reseeding, which makes it easier for attackers to conduct brute force guessing attacks.
Link | Tags |
---|---|
http://www.osvdb.org/25880 | vdb entry |
http://secunia.com/advisories/20514 | third party advisory patch vendor advisory |
http://security.gentoo.org/glsa/glsa-200606-04.xml | vendor advisory |
http://tor.eff.org/cvs/tor/ChangeLog |