Description: A vulnerability has been identified XFree possibly allowing malicious people to brute force session cookies.
The algorithm which generates the 128 bit session cookies is weak, potentially allowing malicious people to brute force the session cookie. This could potentially be exploited by malicious people on the local network to gain system access.
Solution: This has been fixed in 4.3.99.13 development snapshot. Secunia does not recommend the use of development edition except when strictly necessary.
Secunia recommend that you restrict access to X so that only trusted IP adresses can connect.
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.
Ideas, suggestions, and other feedback are most welcome.