CVE-2022-39280
ReDoS issue in dparse
Impact
### Impact dparse versions prior to 0.5.1 contain a regular expression that is vulnerable to [ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_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](https://github.com/pyupio/dparse/tree/security/remove-intensive-regex) ### For more information If you have any questions or comments about this advisory: * Email us at [support@pyup.io](mailto:support@pyup.io)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | dparse | < 0.5.2 | 0.5.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pyup | Dependency Parser | before 0.5.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5
- https://github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e614
- https://github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pq
- https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS
- https://github.com/advisories/GHSA-8fg9-p83m-x5pq
- https://nvd.nist.gov/vuln/detail/CVE-2022-39280
- https://github.com/pypa/advisory-database/tree/main/vulns/dparse/PYSEC-2022-301.yaml