PT-2020-3969 · Url-Regex · Url-Regex

Nick Baugh · Published 2020-06-04 · Updated 2023-08-14 · CVE-2020-7661

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: url-regex versions prior to a fixed version

Description: The issue is related to a Regular Expression Denial of Service in the url-regex package. An attacker can cause a Denial of Service by providing a very long string in String.test. This can lead to uncontrolled resource consumption, allowing a remote attacker to cause a service disruption.

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

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2020-04363

CVE-2020-7661

GHSA-V4RH-8P82-6H5W

SNYK-JS-URLREGEX-569472

Affected Products

Url-Regex

References · 11

• 🔥 https://github.com/kevva/url-regex/issues/70 · Exploit
• 🔥 https://github.com/spamscanner/url-regex-safe · Exploit
• 🔥 https://github.com/niftylettuce/url-regex-safe · Exploit
• 🔥 https://snyk.io/vuln/SNYK-JS-URLREGEX-569472 · Exploit
• https://bdu.fstec.ru/vul/2020-04363 · Security Note
• https://osv.dev/vulnerability/CVE-2020-7661 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-7661 · Security Note
• https://osv.dev/vulnerability/GHSA-v4rh-8p82-6h5w · Vendor Advisory
• https://github.com/kevva/url-regex · Note
• https://twitter.com/VarshneyTech/status/1691242229543972865 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2020082014 · Note