CVE Vulnerabilities

CVE-2008-2311

Improper Link Resolution Before File Access ('Link Following')

Published: Jul 01, 2008 | Modified: Nov 21, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
7.6 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

Launch Services in Apple Mac OS X before 10.5, when Open Safe Files is enabled, allows remote attackers to execute arbitrary code via a symlink attack, probably related to a race condition and automatic execution of a downloaded file.

Weakness

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Affected Software

Name Vendor Start Version End Version
Mac_os_x Apple 10.4.1 (including) 10.4.1 (including)
Mac_os_x Apple 10.4.2 (including) 10.4.2 (including)
Mac_os_x Apple 10.4.3 (including) 10.4.3 (including)
Mac_os_x Apple 10.4.4 (including) 10.4.4 (including)
Mac_os_x Apple 10.4.5 (including) 10.4.5 (including)
Mac_os_x Apple 10.4.6 (including) 10.4.6 (including)
Mac_os_x Apple 10.4.7 (including) 10.4.7 (including)
Mac_os_x Apple 10.4.8 (including) 10.4.8 (including)
Mac_os_x Apple 10.4.9 (including) 10.4.9 (including)
Mac_os_x Apple 10.4.10 (including) 10.4.10 (including)
Mac_os_x Apple 10.4.11 (including) 10.4.11 (including)
Mac_os_x Apple 10.5 (including) 10.5 (including)
Mac_os_x Apple 10.5.1 (including) 10.5.1 (including)
Mac_os_x Apple 10.5.2 (including) 10.5.2 (including)
Mac_os_x Apple 10.5.3 (including) 10.5.3 (including)
Mac_os_x_server Apple 10.4.1 (including) 10.4.1 (including)
Mac_os_x_server Apple 10.4.2 (including) 10.4.2 (including)
Mac_os_x_server Apple 10.4.3 (including) 10.4.3 (including)
Mac_os_x_server Apple 10.4.4 (including) 10.4.4 (including)
Mac_os_x_server Apple 10.4.5 (including) 10.4.5 (including)
Mac_os_x_server Apple 10.4.6 (including) 10.4.6 (including)
Mac_os_x_server Apple 10.4.7 (including) 10.4.7 (including)
Mac_os_x_server Apple 10.4.8 (including) 10.4.8 (including)
Mac_os_x_server Apple 10.4.9 (including) 10.4.9 (including)
Mac_os_x_server Apple 10.4.10 (including) 10.4.10 (including)
Mac_os_x_server Apple 10.4.11 (including) 10.4.11 (including)
Mac_os_x_server Apple 10.5 (including) 10.5 (including)
Mac_os_x_server Apple 10.5.1 (including) 10.5.1 (including)
Mac_os_x_server Apple 10.5.2 (including) 10.5.2 (including)
Mac_os_x_server Apple 10.5.3 (including) 10.5.3 (including)

Potential Mitigations

  • Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

References