PT-2022-14915 · Url-Regex · Url-Regex

Yousukezan · Published 2022-05-20 · Updated 2023-08-08 · CVE-2022-21195

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions url-regex versions all

Description The issue is related to Regular Expression Denial of Service (ReDoS), which can cause CPU usage to crash.

Recommendations For url-regex version all, consider disabling the use of the url-regex package until a patch is available. Restrict the usage of regular expressions to minimize the risk of exploitation. 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-2022-21195

GHSA-HG3W-7HJ9-M3F7

SNYK-PYTHON-URLREGEX-2347643

Affected Products

Url-Regex

References · 7

• 🔥❌ https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py · Exploit, Deleted
• 🔥 https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-21195 · Security Note
• https://osv.dev/vulnerability/GHSA-hg3w-7hj9-m3f7 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-21195 · Vendor Advisory
• https://t.me/cibsecurity/43093 · Telegram Post
• ❌ https://github.com/AlexFlipnote/url_regex · Note, Deleted