Heap-based buffer overflow in GIFLIB

1) Heap-based buffer overflow

EUVDB-ID: #VU33276

Risk: Medium

CVSSv3.1: 4.8 [AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-7555

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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 in Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1. A remote attacker can use crafted image and logical screen width fields in a GIF file. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 5.1.2.

Vulnerable software versions

GIFLIB: 5.1.1

External links

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174876.html
http://packetstormsecurity.com/files/135034/giflib-5.1.1-Heap-Overflow.html
http://seclists.org/fulldisclosure/2015/Dec/83
http://www.securityfocus.com/archive/1/537171/100/0/threaded
http://www.securityfocus.com/bid/81697
http://www.securitytracker.com/id/1035331
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023474
http://source.android.com/security/bulletin/2017-05-01

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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