Vulnerability in Pytest Py

CVE-2022-42969

The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via a Subversion repository with crafted info data, because the InfoSvnCommand argument is mishandled. Note: This has been disputed by multiple third parties as not being reproduceable and they argue this is not a valid vulnerability.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-42969?
CVE-2022-42969 is a medium-severity vulnerability in Pytest Py, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2022-10-16.
How severe is CVE-2022-42969?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2022-42969 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.