Heap-based buffer overflow in Debian Linux - CVE-2016-6525

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 the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF. A remote attacker can use a large decode array. 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-2016-6525

External References

• http://bugs.ghostscript.com/show_bug.cgi?id=696954
• http://git.ghostscript.com/?p=mupdf.git;h=39b0f07dd960f34e7e6bf230ffc3d87c41ef0f2e
• http://www.debian.org/security/2016/dsa-3655
• http://www.openwall.com/lists/oss-security/2016/08/03/8
• http://www.securityfocus.com/bid/92266
• https://security.gentoo.org/glsa/201702-12

Related Security Bulletins

• Heap-based buffer overflow in Debian Linux
• Heap-based buffer overflow in mupdf (Alpine package)
• Gentoo update for MuPDF