SB2019042217 - Denial of service in Artifex MuJS
Published: April 22, 2019 Updated: November 29, 2022
Security Bulletin ID
SB2019042217
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Uncontrolled Recursion (CVE-ID: CVE-2019-11413)
The vulnerability allows a remote attacker to perform a regular expression denial of service (DoS) attack.
The vulnerability exists due to unlimited recursion within the match() function in regexp.c. A remote attacker can pass a specially crafted string to the application and consume all available CPU resources on the system.Remediation
Install update from vendor's website.
References
- http://www.ghostscript.com/cgi-bin/findgit.cgi?00d4606c3baf813b7b1c176823b2729bf51002a2
- http://www.securityfocus.com/bid/108093
- https://bugs.ghostscript.com/show_bug.cgi?id=700937
- https://github.com/ccxvii/mujs/commit/00d4606c3baf813b7b1c176823b2729bf51002a2
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3RQXMWEOWCGLOLFBQSXBM3MBN33T4I5H/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/67PMOZV4DLVL2KGU2SV724QL7Y4PKWKU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MFCRO74ORRIVWNVAX2MAMRY3THCTWLQI/
- https://security.gentoo.org/glsa/202007-52