Resource exhaustion in Pyup Dependency Parser
CVE-2022-39280
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.010 (60.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Pyup Dependency_parser
- Pyupio Dparse — versions < 0.5.2
Weakness classification (CWE)
References
- security-advisories@github.com (Technical Description, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39280?
- CVE-2022-39280 is a medium-severity vulnerability in Pyup Dependency Parser, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2022-10-06.
- How severe is CVE-2022-39280?
- Medium severity. CVSS v3 base score is 5.9 out of 10.