SB2008081803 - Information disclosure in Postfix

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Main Vulnerability Database SB2008081803

SB2008081803 - Information disclosure in Postfix

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

Security Bulletin ID SB2008081803
CSH 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 vulnerabilities.


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

CWE-ID: CWE-62 - UNIX Hard Link

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear


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)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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