CVE-2011-0411: postfix

Vulnerability summary

CVE-2011-0411 is a medium (CVSS 6.8) vulnerability in postfix. EPSS estimates a 16.33% chance of exploitation in the next 30 days, higher than 96.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 16-03-2011
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.