CVE-2022-39280

Summary

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.

Affected Software

Weaknesses

• CWE-400: CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CVE Program Container

Additional References

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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

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

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