CVE-2011-0411
postfix - several
EPSS 37.8%
Description
The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 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.
How to fix CVE-2011-0411
To remediate CVE-2011-0411, upgrade the affected package to a fixed version below.
- Debian/postfix—upgrade to 2.8.0-1 or later
- Debian/postfix—upgrade to 2.5.5-1.1+lenny1 or later
Is CVE-2011-0411 being exploited?
Moderate — EPSS is 37.8%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 2.8.0-1
- from 0, < 2.5.5-1.1+lenny1