Incorrect Regular Expression in Semver - CVE-2022-25883
Published: August 3, 2023 / Updated: November 30, 2023
Vulnerability identifier: #VU78932
CSH Severity: Medium
CVSS v4.0: 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
Vendor: npm Inc.
Affected software:
Semver
Semver
Detailed vulnerability 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.
How to mitigate CVE-2022-25883
Install update from vendor's website.
Sources
- 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