SB2022100649 - Denial of service in terser
Published: October 6, 2022
Security Bulletin ID
SB2022100649
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) Incorrect Regular Expression (CVE-ID: CVE-2022-25858)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/terser/terser/commit/a4da7349fdc92c05094f41d33d06d8cd4e90e76b
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2949722
- https://github.com/terser/terser/commit/d8cc5691be980d663c29cc4d5ce67e852d597012
- https://snyk.io/vuln/SNYK-JS-TERSER-2806366
- https://github.com/terser/terser/blob/master/lib/compress/evaluate.js%23L135