Heap-based buffer overflow in MuPDF - CVE-2017-5896

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 fz_subsample_pixmap function in fitz/pixmap.c in MuPDF 1.10a. A remote attacker can use a crafted image. 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-2017-5896

External References

• http://git.ghostscript.com/?p=mupdf.git;h=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27
• http://www.debian.org/security/2017/dsa-3797
• http://www.openwall.com/lists/oss-security/2017/02/06/3
• http://www.openwall.com/lists/oss-security/2017/02/07/1
• http://www.securityfocus.com/bid/96139
• https://bugs.ghostscript.com/show_bug.cgi?id=697515
• https://security.gentoo.org/glsa/201702-12

Related Security Bulletins

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