SB2008081803 - Information disclosure in Postfix



SB2008081803 - Information disclosure in Postfix

Published: August 18, 2008 Updated: June 11, 2025

Security Bulletin ID SB2008081803
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) UNIX Hard Link (CVE-ID: CVE-2008-2936)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to an error when following hard links. A local user can append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then send the message.


2) Information disclosure (CVE-ID: CVE-2008-2937)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to software delivers to a mailbox file even when this file is not owned by the recipient. A local user can read e-mail messages by creating a mailbox file corresponding to another user's account name.


Remediation

Install update from vendor's website.

References