Bug 2065665 (CVE-2022-24302)

Summary:	CVE-2022-24302 python-paramiko: Race condition in the write_private_key_file function
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	agrimm, amctagga, anharris, aos-bugs, athmanem, bcoca, bkearney, bniver, chousekn, cmeyers, cstratak, davidn, eglynn, flucifre, gblomqui, gmeno, gwync, igor.raits, ivazqueznet, jcammara, jhardy, jhunsaker, jjoyce, jobarker, lhh, mabashia, mbenjamin, mburns, mhackett, michal.skrivanek, mperina, notting, orion, osapryki, paul, python-maint, rebus, relrod, rfreiman, rpetrell, sbonazzo, sdoran, sgallagh, smcdonal, sostapov, spower, tkuratom, torsava, vereddy
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	paramiko v 2.10.1	Doc Type:	If docs needed, set a value
Doc Text:	A race condition was found in Paramiko. This flaw allows unauthorized information disclosure from an attacker with access to the write_private_key_file.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-26 21:15:36 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2065666, 2065667, 2066431, 2067968, 2067982, 2068130, 2068392, 2075658, 2075659, 2075660, 2122628
Bug Blocks:	2065668

Description Pedro Sampaio 2022-03-18 12:46:19 UTC

In Paramiko before 2.10.1, a race condition (between creation and chmod) in the write_private_key_file function could allow unauthorized information disclosure.

References:

https://www.paramiko.org/changelog.html
https://github.com/paramiko/paramiko/blob/363a28d94cada17f012c1604a3c99c71a2bda003/paramiko/pkey.py#L546

Comment 1 Pedro Sampaio 2022-03-18 12:46:46 UTC

Created python-paramiko tracking bugs for this issue:

Affects: epel-all [bug 2065667]
Affects: fedora-all [bug 2065666]

Comment 2 juneau 2022-03-21 18:21:18 UTC

services-assisted-installer affected/delegated:

services-assisted-installer/assisted-test-infra:7bf31f4/paramiko-2.9.2 https://github.com/openshift/assisted-test-infra/blob/master/requirements.txt

Comment 8 errata-xmlrpc 2022-05-26 17:25:06 UTC

This issue has been addressed in the following products:

  Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
  Red Hat Virtualization Engine 4.4
  Red Hat Virtualization 4 Tools for Red Hat Enterprise Linux 8
  Red Hat Virtualization 4 Tools for Red Hat Enterprise Linux 9

Via RHSA-2022:4712 https://access.redhat.com/errata/RHSA-2022:4712

Comment 9 Product Security DevOps Team 2022-05-26 21:15:32 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-24302

Comment 11 errata-xmlrpc 2022-12-07 19:25:08 UTC

This issue has been addressed in the following products:

  Red Hat OpenStack Platform 16.2

Via RHSA-2022:8845 https://access.redhat.com/errata/RHSA-2022:8845

Comment 12 errata-xmlrpc 2022-12-07 20:26:43 UTC

This issue has been addressed in the following products:

  Red Hat OpenStack Platform 16.1

Via RHSA-2022:8863 https://access.redhat.com/errata/RHSA-2022:8863