Out-of-bounds write in MuPDF - CVE-2016-8728
Published: April 24, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU37159
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-8728
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
An exploitable heap out of bounds write vulnerability exists in the Fitz graphical library part of the MuPDF renderer. A specially crafted PDF file can cause a out of bounds write resulting in heap metadata and sensitive process memory corruption leading to potential code execution. Victim needs to open the specially crafted file in a vulnerable reader in order to trigger this vulnerability.
Affected software
MuPDF
Fedora
mupdf
Fedora
mupdf
How to mitigate CVE-2016-8728
Install update from vendor's website.
mupdf - update to 1.10a-7.fc25