Heap-based buffer overflow in MuPDF - CVE-2017-5896
Published: February 15, 2017 / Updated: August 3, 2020
Vulnerability identifier: #VU33157
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-5896
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
MuPDF
MuPDF
Detailed vulnerability 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 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.
How to mitigate CVE-2017-5896
Update to version 1.10rc1.
Sources
- 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