PT-2022-11819 · Npm · Semver-Regex

Denys Vozniuk · Published 2022-06-01 · Updated 2023-07-18 · CVE-2021-43307

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions semver-regex (affected versions not specified)

Description An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the semver-regex npm package when an attacker supplies arbitrary input to the test() method.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

CVE-2021-43307

GHSA-4X5V-GMQ8-25CH

Affected Products

Semver-Regex

References · 8

• 🔥 https://research.jfrog.com/vulnerabilities/semver-regex-redos-xray-211349 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-43307 · Security Note
• https://osv.dev/vulnerability/GHSA-4x5v-gmq8-25ch · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-43307 · Vendor Advisory
• https://github.com/sindresorhus/semver-regex/commit/d8ba39a528c1027c43ab23f12eec28ca4d40dd0c · Note
• https://github.com/sindresorhus/semver-regex · Note
• https://t.me/cibsecurity/43668 · Telegram Post
• https://t.me/cvenotify/54562 · Telegram Post