Bug 1796518

Summary:	[RFE] add optional check for the target user shell
Product:	Red Hat Enterprise Linux 8	Reporter:	Dalibor Pospíšil <dapospis>
Component:	sudo	Assignee:	Radovan Sroka <rsroka>
Status:	CLOSED ERRATA	QA Contact:	Dalibor Pospíšil <dapospis>
Severity:	high	Docs Contact:
Priority:	high
Version:	8.2	CC:	dapospis, huzaifas
Target Milestone:	rc	Keywords:	FutureFeature, Patch, Triaged
Target Release:	8.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	sudo-1.8.29-3.el8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-28 16:46:14 UTC	Type:	Bug
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:
Bug Blocks:	1786708, 1786990

Description Dalibor Pospíšil 2020-01-30 15:57:01 UTC

Description of problem:
Add runas_check_shell default option which will cause sudo to test target user shell againts valid system shells from /etc/shells.

This may help to workaround a situation described in likely CVE bz1786708.

Upstream patch:
https://www.sudo.ws/repos/sudo/rev/ed6db31729cd

Comment 6 errata-xmlrpc 2020-04-28 16:46:14 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:1804

Comment 7 Doran Moppert 2021-02-02 04:22:31 UTC

*** Bug 1786990 has been marked as a duplicate of this bug. ***