CVE-2012-3523
EPSS 3.2%
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.
How to fix CVE-2012-3523
To remediate CVE-2012-3523, upgrade the affected package to a fixed version below.
- Debian/inn2—upgrade to 2.5.3-1 or later
Is CVE-2012-3523 being exploited?
Low — EPSS is 3.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.5.3-1