SB2017071804 - Arch Linux update for lib32-libtiff



SB2017071804 - Arch Linux update for lib32-libtiff

Published: July 18, 2017

Security Bulletin ID SB2017071804
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2015-7554)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in _TIFFVGetField() function in tif_dir.c in libtiff 4.0.6. A remote attacker can create a specially crafted TIFF image, trick the victim into opening it and execute arbitrary code on the target system.

2) Stack-based buffer overflow (CVE-ID: CVE-2016-10095)

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exits due to stack-based buffer overflow in the _TIFFVGetField function in tif_dir.c. A remote attacker can send specially crafted TIFF file and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Install update from vendor's website.