Bug 567622 (CVE-2010-0427)

Summary:	CVE-2010-0427 sudo: Fails to reset group permissions if runas_default set
Product:	[Other] Security Response	Reporter:	Jan Lieskovsky <jlieskov>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	amarecek, azric47, dkopecek, kreilly, sgrubb, zmraz
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	i686
OS:	Linux
URL:	http://www.gratisoft.us/bugzilla/show_bug.cgi?id=349
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	497873	Environment:
Last Closed:	2010-03-03 14:42:54 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:	497873, 567689
Bug Blocks:

Description Jan Lieskovsky 2010-02-23 13:30:47 UTC

Sudo failed to properly reset group permissions, when
"runas_default" option was used. If a local, unprivileged
user was authorized by sudoers file to perform their
sudo commands under default user account, it could lead
to privilege escalation.

Upstream bug report:
  http://www.gratisoft.us/bugzilla/show_bug.cgi?id=349

Upstream patch:
  http://www.gratisoft.us/bugzilla/attachment.cgi?id=255

Comment 2 Jan Lieskovsky 2010-02-23 16:17:53 UTC

This is CVE-2010-0427.

Comment 7 errata-xmlrpc 2010-02-26 11:06:14 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2010:0122 https://rhn.redhat.com/errata/RHSA-2010-0122.html

Comment 8 Jan Lieskovsky 2010-02-26 16:36:45 UTC

This issue did NOT affect the versions of the sudo package,
as shipped with Red Hat Enterprise Linux 3 and 4.

This issue did NOT affect the current versions of the sudo package,
as shipped with Fedora releases of 11 and 12.