Buffer overflow in MuPDF - CVE-2018-16647
Published: September 7, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36718
CSH Severity: Medium
CVSS v4: 6.7 [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]
CVE-ID: CVE-2018-16647
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
Affected software
MuPDF
Ubuntu
Fedora
mupdf (Ubuntu package)
mupdf
Ubuntu
Fedora
mupdf (Ubuntu package)
mupdf
How to mitigate CVE-2018-16647
Install update from vendor's website.
mupdf (Ubuntu package) - addressed in versions 1.7a-1ubuntu0.1~esm1, 1.12.0+ds1-1ubuntu0.1~esm1, 1.16.1+ds1-1ubuntu1+esm1
mupdf - addressed in versions 1.14.0-6.fc28, 1.14.0-6.fc29
mupdf - addressed in versions 1.14.0-6.fc28, 1.14.0-6.fc29