SB2007122901 - Gentoo update for libexif

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Infinite loop (CVE-ID: CVE-2007-6351)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in the the exif_loader_write function in exif_loader.c. A remote attacker can consume all available system resources and cause denial of service conditions via a specially crafted image.

2) Integer overflow (CVE-ID: CVE-2007-6352)

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

The vulnerability exists due to integer overflow in the exif_data_load_data_thumbnail function in exif-data.c. A remote attacker can create a specially crafted image file, trick the victim into opening it, trigger integer overflow 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/200712-15