CVE-2022-39280 Information

Description

dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is vulnerable to a Regular Expression Denial of Service. All the users parsing index server URLs with dparse are impacted by this vulnerability. A patch has been applied in version 0.5.2 all the users are advised to upgrade to 0.5.2 as soon as possible. Users unable to upgrade should avoid passing index server URLs in the source file to be parsed.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5 https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS https://github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e614 https://github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pq

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5