#VU31850 Division by zero in libexif - CVE-2012-2837
Published: July 26, 2020
Vulnerability identifier: #VU31850
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-2837
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libexif
libexif
Software vendor:
libexif.sourceforge.net
libexif.sourceforge.net
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to divide-by-zero error within the mnote_olympus_entry_get_value function in olympus/mnote-olympus-entry.c in the EXIF Tag Parsing Library. A remote attacker can perform a denial of service (divide-by-zero error) via an image with crafted EXIF tags that are not properly handled during the formatting of EXIF maker note tags.
Remediation
Install update from vendor's website.
External links
- 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