high7.5
CVE-2020-29651
py vulnerable to Regular Expression Denial of Service
Impact
A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | py | < 1.10.0 | 1.10.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pytest | Py | through 1.9.0 |
| Fedoraproject | Fedora | Versions 32, 33 |
| Oracle | Zfs Storage Appliance Kit | Version 8.8 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/pytest-dev/py/issues/256
- https://github.com/pytest-dev/py/pull/257
- https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html
- https://github.com/advisories/GHSA-hj5v-574p-mj7c
- https://nvd.nist.gov/vuln/detail/CVE-2020-29651
- https://github.com/pypa/advisory-database/tree/main/vulns/py/PYSEC-2020-92.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR