CVE-2011-2165 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....
MediumCVSS 6.8
EPSS 5.2%
Public exploit
- Published
- Updated
- Exploit status
- Public exploit available
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WatchGuard xcs | = 9.0 | No fix listed |
| WatchGuard xcs | = 9.1 | No fix listed |
References
- 44753 third-party-advisory
- VU#555316 third-party-advisory us-government-resource
- www.kb.cert.org us-government-resource
- www.watchguard.com
- watchguardxcs-starttls-command-execution(67729) vdb-entry