Ecosyste.ms: Advisories
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Advisories: GSA_kwCzR0hTQS1nM3B2LXBqNWYtM2hmcc4AAxCV
mechanize Regular Expression Denial of Service vulnerability
mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.
Permalink: https://github.com/advisories/GHSA-g3pv-pj5f-3hfqSource: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 20 days ago
Updated: 17 days ago
CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Identifiers: GHSA-g3pv-pj5f-3hfq, CVE-2021-32837
References:
- https://nvd.nist.gov/vuln/detail/CVE-2021-32837
- https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6
- https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2_fork.py#L878-L879
- https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6
- https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/
- https://github.com/advisories/GHSA-g3pv-pj5f-3hfq
Affected Packages
pypi:mechanize
Versions: < 0.4.6Fixed in: 0.4.6