SB2008090801 - Gentoo update for libTIFF

Description

This security bulletin contains information about 1 security vulnerability.

1) Buffer underflow (CVE-ID: CVE-2008-2327)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the LZWDecode(),  LZWDecodeCompat(), and  LZWDecodeVector() functions in tif_lzw.c in the LZW decoder in LibTIFF when processing TIFF files. A remote attacker can create a specially crafted TIFF image, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/
• https://security.gentoo.org/glsa/200809-07