Buffer overflow in libexif (Alpine package)

Published: 2012-07-25

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2012-2814
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	libexif (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU1477

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2012-2814

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libexif (Alpine package): 0.6.17-r0 - 0.6.20-r1

CPE2.3

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.