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CVE-2020-29651

Published: 9 December 2020

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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
python-py
Launchpad, Ubuntu, Debian
bionic
Released (1.5.2-1ubuntu0.1)
focal
Released (1.8.1-1ubuntu0.1)
groovy Ignored
(end of life)
hirsute Not vulnerable
(1.10.0-1)
impish Not vulnerable
(1.10.0-1)
jammy Not vulnerable
(1.10.0-1)
kinetic Not vulnerable
(1.10.0-1)
lunar Not vulnerable
(1.10.0-1)
mantic Not vulnerable
(1.10.0-1)
noble Not vulnerable
(1.10.0-1)
trusty Does not exist

upstream
Released (1.10.0-1)
xenial Needed

Patches:
upstream: https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H