Out-of-bounds read in libexif - CVE-2012-2836
Published: July 26, 2020
Vulnerability identifier: #VU31851
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-2012-2836
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_data_load_data function in exif-data.c in the EXIF Tag Parsing Library. A remote attacker can create specially crafted EXIF tags in an image, 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)
Gentoo Linux
Amazon Linux AMI
SUSE Linux
Slackware Linux
libexif (Alpine package)
How to mitigate CVE-2012-2836
Install update from vendor's website.
libexif - update to 0.6.21
libexif (Alpine package) - update to 0.6.21-r0
libexif (Alpine package) - update to 0.6.21-r0
External References
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2012-1255.html
- http://secunia.com/advisories/49988
- http://sourceforge.net/mailarchive/message.php?msg_id=29534027
- http://www.debian.org/security/2012/dsa-2559
- http://www.securityfocus.com/bid/54437
- http://www.ubuntu.com/usn/USN-1513-1