SB2012072525 - Buffer overflow in libexif (Alpine package)
Published: July 25, 2012
Security Bulletin ID
SB2012072525
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2012-2814)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing images in the exif_entry_format_value function in exif-entry.c in the EXIF Tag Parsing Library. A remote attacker can create crafted EXIF tags in an image, trick the victim into opening it, trigger memory corruption 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://git.alpinelinux.org/aports/commit/?id=5dea23e076ed7123339473f529d74d8a9362e7c6
- https://git.alpinelinux.org/aports/commit/?id=726529dabef044127d02831c4b26fa6c6fc9d5f5
- https://git.alpinelinux.org/aports/commit/?id=7d1a8137daa5c1f5312ad957dc1857027b8999df
- https://git.alpinelinux.org/aports/commit/?id=9959b863135bbaa1251dbddfa038c9256e155702
- https://git.alpinelinux.org/aports/commit/?id=cc9c8ab403cd5dfa204be58c326dd98d0702d70c
- https://git.alpinelinux.org/aports/commit/?id=06c00380098485f50412c75cbffb75a9764ea549
- https://git.alpinelinux.org/aports/commit/?id=0945eb55f2b2645eda75587579421dcbb93d7006
- https://git.alpinelinux.org/aports/commit/?id=b8e5bb1c9488b158a055c14fb1b78e087cc14e85