Vulnerability in Postfix
CVE-2011-0411
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.
EPSS: 0.163 (96.6th percentile) — read the EPSS interpretation.
Affected products
- Postfix — versions 2.4, 2.4.0, 2.4.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (x_refsource_CONFIRM)
- cret@cert.org (vdb-entry, x_refsource_XF)
- cret@cert.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- cret@cert.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- cret@cert.org (vendor-advisory, x_refsource_SUSE)
- cret@cert.org (x_refsource_OSVDB, vdb-entry)
- cret@cert.org (vdb-entry, x_refsource_VUPEN)
- cret@cert.org (vdb-entry, x_refsource_VUPEN)
- cret@cert.org (vendor-advisory, x_refsource_GENTOO)
- cret@cert.org (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2011-0411?
- CVE-2011-0411 is a vulnerability in Postfix, classified under CWE-264. Published 2011-03-16.
- Is CVE-2011-0411 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.