Integer overflow in libexif

1) Integer overflow

EUVDB-ID: #VU31858

Risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2007-2645

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the exif_data_load_data_entry function in exif-data.c in libexif. A remote attacker can create a specially crafted image file, trick the victim into opening it, trigger integer overflow 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: 0.6.9 - 0.6.13

External links

http://security.gentoo.org/glsa/glsa-200706-01.xml
http://sourceforge.net/project/shownotes.php?release_id=507447
http://sourceforge.net/tracker/index.php?func=detail&aid=1716196&group_id=12272&atid=112272
http://www.debian.org/security/2008/dsa-1487
http://www.mandriva.com/security/advisories?name=MDKSA-2007:118
http://www.novell.com/linux/security/advisories/2007_14_sr.html
http://www.novell.com/linux/security/advisories/2007_39_libexif.html
http://www.securityfocus.com/archive/1/470502/100/100/threaded
http://www.securityfocus.com/bid/23927
http://www.ubuntu.com/usn/usn-471-1
http://www.vupen.com/english/advisories/2007/1761
http://exchange.xforce.ibmcloud.com/vulnerabilities/34233
http://issues.rpath.com/browse/RPL-1431

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.