PT-2021-15535 · Unknown · Parse-Link-Header

Dangkhai · Published 2021-12-24 · Updated 2023-08-08 · CVE-2021-23490

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 parse-link-header versions prior to 2.0.0

Description The issue concerns a Regular Expression Denial of Service (ReDoS) that can be triggered via the checkHeader function. This can lead to a denial of service.

Recommendations For versions prior to 2.0.0, update to version 2.0.0 or later to resolve the issue. As a temporary workaround, consider disabling the checkHeader function until a patch is available.

Exploit

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-1333

CWE-400

Related Identifiers

CVE-2021-23490

GHSA-Q674-XM3X-2926

SNYK-JAVA-ORGWEBJARSNPM-2321973

SNYK-JS-PARSELINKHEADER-1582783

Affected Products

Parse-Link-Header

References · 8

• 🔥 https://snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783 · Exploit
• 🔥 https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973 · Exploit
• https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-23490 · Security Note
• https://osv.dev/vulnerability/CVE-2021-23490 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-q674-xm3x-2926 · Vendor Advisory
• https://github.com/thlorenz/parse-link-header · Note
• https://t.me/cvenotify/24888 · Telegram Post