SB2023080361 - Regular expression denial of service in semver
Published: August 3, 2023
Security Bulletin ID
SB2023080361
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-2022-25883)
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 via the new Range function and perform regular expression denial of service (ReDos) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/npm/node-semver/commit/717534ee353682f3bcf33e60a8af4292626d4441
- https://github.com/npm/node-semver/blob/main/internal/re.js%23L138
- https://security.snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://github.com/npm/node-semver/blob/main/internal/re.js%23L160
- https://github.com/npm/node-semver/blob/main/classes/range.js%23L97-L104
- https://github.com/npm/node-semver/pull/564