XDM in XFree86 3.3 and 3.3.3 generates easily guessable cookies using gettimeofday() when compiled with the HasXdmXauth option, which allows remote attackers to gain unauthorized access to the X display via a brute force attack.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| X11r6 | Xfree86_project | 3.3 (including) | 3.3 (including) |
| X11r6 | Xfree86_project | 3.3.3 (including) | 3.3.3 (including) |
References
- http://online.securityfocus.com/archive/1/195008
- http://www.securityfocus.com/archive/1/194907
- http://www.securityfocus.com/bid/2985
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6808
- http://online.securityfocus.com/archive/1/195008
- http://www.securityfocus.com/archive/1/194907
- http://www.securityfocus.com/bid/2985
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6808