Out-of-bounds read in libexif (Alpine package)

Published: 2012-07-25

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2012-2836
CWE-ID	CWE-125
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 low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU31851

Risk: Low

CVSSv4.0: 0.5 [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 - Out-of-bounds read

Exploit availability: No

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.

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.