Main Vulnerability Database Vulnerabilities #VU36352

Infinite loop in MuPDF and Debian Linux - CVE-2018-19777

Published: November 30, 2018 / Updated: May 12, 2023

Vulnerability identifier: #VU36352

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-2018-19777

CWE-ID: CWE-835

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the svg_dev_end_tile in fitz/svg-device.c, as demonstrated by mutool. A remote attacker can consume all available system resources and trigger denial of service condition.

Affected software

MuPDF
Debian Linux
Fedora
mupdf

How to mitigate CVE-2018-19777

Install update from vendor's website.

mupdf - update to 1.16.1-1.fc30

External References

https://bugs.ghostscript.com/show_bug.cgi?id=700301
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUXKCY35PKC32IFHN4RBUCZ75OWEYVJH/

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