Vulnerability Description
The STARTTLS implementation in WatchGuard XCS 9.0 and 9.1 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Watchguard | Xcs | 9.0 |
Related Weaknesses (CWE)
References
- http://secunia.com/advisories/44753
- http://www.kb.cert.org/vuls/id/555316US Government Resource
- http://www.kb.cert.org/vuls/id/MAPG-8D9M75US Government Resource
- http://www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67729
- http://secunia.com/advisories/44753
- http://www.kb.cert.org/vuls/id/555316US Government Resource
- http://www.kb.cert.org/vuls/id/MAPG-8D9M75US Government Resource
- http://www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67729
FAQ
What is CVE-2011-2165?
CVE-2011-2165 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The STARTTLS implementation in WatchGuard XCS 9.0 and 9.1 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending ...
How severe is CVE-2011-2165?
CVE-2011-2165 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2165?
Check the references section above for vendor advisories and patch information. Affected products include: Watchguard Xcs.