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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: 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
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:
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:

Upstream patch:

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.