#VU31847 Out-of-bounds read in libexif - CVE-2012-2845

Vulnerability identifier: #VU31847

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-2845

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in Integer overflow in the jpeg_data_load_data function in jpeg-data.c in libjpeg in exif 0.6.20. A remote attacker can perform a denial of service (buffer over-read and application crash) or obtain potentially sensitive information via a crafted JPEG file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libexif: 0.6.9 - 0.6.20

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External links
https://sourceforge.net/mailarchive/message.php?msg_id=29534027
https://www.mandriva.com/security/advisories?name=MDVSA-2012:107
https://www.securityfocus.com/bid/54437

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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.