Vulnerability Description
The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted 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 |
|---|---|---|
| Isc | Inn | <= 2.5.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00058.html
- http://secunia.com/advisories/50661
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:156
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00058.html
- http://secunia.com/advisories/50661
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:156
FAQ
What is CVE-2012-3523?
CVE-2012-3523 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a clea...
How severe is CVE-2012-3523?
CVE-2012-3523 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-2012-3523?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Inn.