Vulnerability identifier: #VU31851

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2836

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libexif
Universal components / Libraries / Libraries used by multiple products

Vendor: libexif.sourceforge.net

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: 0.6.9 - 0.6.20

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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

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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.