Heap-based buffer overflow in GIFLIB - CVE-2015-7555

Vulnerability details

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.

Affected software

How to mitigate CVE-2015-7555

External References

• 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
• https://source.android.com/security/bulletin/2017-05-01

Related Security Bulletins

• Heap-based buffer overflow in GIFLIB
• Heap-based buffer overflow in giflib (Alpine package)
• Fedora 23 update for mingw-giflib
• Fedora 22 update for mingw-giflib