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Database

Asymmetric denial of service - ReDoS In dparse

Description

ReDoS issue in dparse

Impact

dparse versions prior to 0.5.1 contain a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service).

All users parsing index server URLs with dparse are impacted by this vulnerability.

Patches

The Patch is applied in the 0.5.2 version, all users are recommended to upgrade as soon as possible.

Workarounds

Avoid passing index server URLs in the source file to be parsed.

References

https://github.com/pyupio/dparse/tree/security/remove-intensive-regex

For more information

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Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

Aliases

1. CVE-2022-392802. NVD-2022-392803. OSV-2022-392804. GHSA-8fg9-p83m-x5pq5. GCVE-2022-39280

References

1. https://github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pq2. https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d53. https://github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e6144. https://github.com/pypa/advisory-database/tree/main/vulns/dparse/PYSEC-2022-301.yaml5. https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS

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