Out-of-bounds read in libexif - CVE-2012-2812

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Main Vulnerability Database Vulnerabilities #VU31853

Out-of-bounds read in libexif - CVE-2012-2812

Published: July 26, 2020


Vulnerability identifier: #VU31853
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2812
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the exif_entry_get_value function in exif-entry.c in the EXIF Tag Parsing Library. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


Affected software

libexif
Gentoo Linux
Amazon Linux AMI
SUSE Linux
Slackware Linux
libexif (Alpine package)

How to mitigate CVE-2012-2812

Install updates from vendor's website.

libexif - update to 0.6.21
libexif (Alpine package) - update to 0.6.21-r0

External References

Related Security Bulletins