PT-2024-10840 · Nescalante · Url-Regex

Nescalante · Published 2024-08-31 · Updated 2024-09-05 · CVE-2020-36830

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 nescalante urlregex versions up to 0.5.0

Description A vulnerability was found in the nescalante urlregex component, affecting some unknown processing of the file index.js of the Backtracking component. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely.

Recommendations For versions up to 0.5.0, upgrade to version 0.5.1 to address this issue. As a temporary workaround, consider restricting the use of the vulnerable component until a patch is available.

Exploit

Fix

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

CVE-2020-36830

GHSA-RW72-V6C7-HF9R

Affected Products

Url-Regex

References · 24

• 🔥 https://github.com/nescalante/urlregex/pull/8 · Exploit
• https://github.com/nescalante/urlregex/releases/tag/v0.5.1 · Patch
• https://github.com/nescalante/urlregex/commit/e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-36830 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36830 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-rw72-v6c7-hf9r · Vendor Advisory
• https://github.com/nescalante/urlregex · Note
• https://vuldb.com/?ctiid.276269 · Note
• https://twitter.com/transilienceai/status/1831794098786685358 · Twitter Post
• https://twitter.com/transilienceai/status/1831794104948424807 · Twitter Post
• https://twitter.com/transilienceai/status/1831794127425683578 · Twitter Post
• https://twitter.com/transilienceai/status/1831794137387168001 · Twitter Post
• https://twitter.com/transilienceai/status/1831794132290789790 · Twitter Post
• https://twitter.com/transilienceai/status/1831794122421686546 · Twitter Post
• https://vuldb.com/?id.276269 · Note