Bug 1870054 (CVE-2020-24330)

Summary:	CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	gblomqui, igor.raits, jlyle, jsnitsel, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	trousers 0.3.14	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-05-18 20:34:40 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:	1874824, 1882413, 1882414, 1972194, 1972195
Bug Blocks:	1849039

Description Marian Rehak 2020-08-19 09:39:59 UTC

If the tcsd daemon is started with root privileges instead of by the tss user, it fails to drop the root gid privilege when no longer needed.

External Reference:

https://www.openwall.com/lists/oss-security/2020/08/14/1

Comment 1 Marian Rehak 2020-09-02 11:00:04 UTC

Created trousers tracking bugs for this issue:

Affects: fedora-all [bug 1874824]

Comment 3 Marco Benatto 2020-09-24 13:56:29 UTC

Upstream patch for this issue:
https://sourceforge.net/p/trousers/trousers/ci/e74dd1d96753b0538192143adf58d04fcd3b242b/

Comment 4 errata-xmlrpc 2021-05-18 13:48:24 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:1627 https://access.redhat.com/errata/RHSA-2021:1627

Comment 5 Product Security DevOps Team 2021-05-18 20:34:40 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-2020-24330