Out-of-bounds read in libexif - CVE-2012-2836
Published: July 26, 2020
Vulnerability identifier: #VU31851
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2012-2836
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libexif.sourceforge.net
Affected software:
libexif
libexif
Detailed vulnerability description
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.
How to mitigate CVE-2012-2836
Install update from vendor's website.
Sources
- 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