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Bug 561336

Summary:	segfault when #include directive is used in cycles
Product:	Red Hat Enterprise Linux 5	Reporter:	Aleš Mareček <amarecek>
Component:	sudo	Assignee:	Daniel Kopeček <dkopecek>
Status:	CLOSED ERRATA	QA Contact:	BaseOS QE Security Team <qe-baseos-security>
Severity:	urgent	Docs Contact:
Priority:	high
Version:	5.4	CC:	dkopecek, ebenes, pvrabec, sgrubb
Target Milestone:	rc	Keywords:	Regression
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	598363 (view as bug list)		Environment:
Last Closed:	2010-03-30 08:16:00 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:
Bug Blocks:	598363

Description Aleš Mareček 2010-02-03 13:17:00 UTC

Description of problem:
Sudo segfaults when #include directive is used in cycles.

Version-Release number of selected component (if applicable):


How reproducible:
always

Steps to Reproduce:
1. Create new file (for example: /etc/sudoers.local (mode 0440)).
2. Edit this new file and set:
 - user privileges (for example: operator    ALL=(ALL) ALL)
 - #include /etc/sudoers
3. edit /etc/sudoers and set: #include /etc/sudoers.local
4. run command under sudo (for example: sudo)
  
Actual results:
Memory stack is printed and it segfaults.


Expected results:
Warning message expected with no segfault.

Additional info:

Comment 7 Daniel Kopeček 2010-02-09 15:55:36 UTC

thread on sudo-workers mailing list:
http://www.sudo.ws/pipermail/sudo-workers/2010-February/000702.html

Comment 12 errata-xmlrpc 2010-03-30 08:16:00 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2010-0212.html