#VU78932 Incorrect Regular Expression in Semver - CVE-2022-25883
Published: August 3, 2023 / Updated: November 30, 2023
Vulnerability identifier: #VU78932
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-25883
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Semver
Semver
Software vendor:
npm Inc.
npm Inc.
Description
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.
External links
- 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