Bug 2180999 (CVE-2023-1672)

Summary:	CVE-2023-1672 tang: Race condition exists in the key generation and rotation functionality
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dapospis, scorreia
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	tang 14.1	Doc Type:	If docs needed, set a value
Doc Text:	A race condition exists in the Tang server functionality for key generation and key rotation. This flaw results in a small time window where Tang private keys become readable by other processes on the same host.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2182410, 2182411, 2215313
Bug Blocks:	2181000

Description Pedro Sampaio 2023-03-22 20:10:04 UTC

A race condition exists in the Tang server functionality for key generation and key rotation, which results in a small time window where Tang private keys become readable by other processes on the same host.

References:

https://bugzilla.redhat.com/show_bug.cgi?id=2180990

Comment 2 Guilherme de Almeida Suckevicz 2023-06-15 13:58:07 UTC

Created tang tracking bugs for this issue:

Affects: fedora-all [bug 2215313]

Comment 3 Pedro Sampaio 2023-06-19 13:11:57 UTC

Upstream fix:

https://github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096

Comment 5 errata-xmlrpc 2023-11-07 08:18:13 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:6492 https://access.redhat.com/errata/RHSA-2023:6492

Comment 6 errata-xmlrpc 2023-11-14 15:18:34 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:7022 https://access.redhat.com/errata/RHSA-2023:7022