Heap-based buffer overflow in ImageMagick - CVE-2016-5688

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 The WPG parser in ImageMagick before 6.9.4-4 and 7.x before 7.0.1-5, when a memory limit is set,. A remote attacker can use vectors related to the SetImageExtent return-value check 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-2016-5688

External References

• http://www.openwall.com/lists/oss-security/2016/06/14/5
• http://www.openwall.com/lists/oss-security/2016/06/17/3
• http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
• http://www.securityfocus.com/bid/91283
• https://blog.fuzzing-project.org/46-Various-invalid-memory-reads-in-ImageMagick-WPG,-DDS,-DCM.html
• https://github.com/ImageMagick/ImageMagick/commit/aecd0ada163a4d6c769cec178955d5f3e9316f2f
• https://github.com/ImageMagick/ImageMagick/commit/fc43974d34318c834fbf78570ca1a3764ed8c7d7
• https://github.com/ImageMagick/ImageMagick/commits/6.9.4-4
• https://github.com/ImageMagick/ImageMagick/commits/7.0.1-5

Related Security Bulletins

• Heap-based buffer overflow in ImageMagick
• Heap-based buffer overflow in imagemagick (Alpine package)