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Bug 691351 - Segmentation fault when invalid Extended Key Usage is provided in Certificate Request
Summary: Segmentation fault when invalid Extended Key Usage is provided in Certificate...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: certmonger
Version: 6.1
Hardware: Unspecified
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Nalin Dahyabhai
QA Contact: BaseOS QE Security Team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-03-28 10:29 UTC by Kaleem
Modified: 2011-05-19 13:07 UTC (History)
3 users (show)

Fixed In Version: certmonger-0.40-1.el6
Doc Type: Bug Fix
Doc Text:
Previously, running the getcert command with an invalid Extended Key Usage parameter caused a segmentation fault. This happened because the command attempted to dereference a NULL pointer while attempting to report that the parameter value was not a valid OID (Object Identifier). With this update, certmonger reports that the OID validation failed and prints a message that the provided Extended Key Usage is invalid.
Clone Of:
Environment:
Last Closed: 2011-05-19 13:07:23 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2011:0570 0 normal SHIPPED_LIVE certmonger bug fix and enhancement update 2011-05-19 09:37:40 UTC

Description Kaleem 2011-03-28 10:29:22 UTC 
Description of problem:
Segmentation fault when invalid string is provided for Extended Key usage(-U) in certificate request.


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

Name        : certmonger                   Relocations: (not relocatable)
Version     : 0.39                              Vendor: Red Hat, Inc.
Release     : 1.el6                         Build Date: Fri 25 Mar 2011 11:49:35 PM IST
Install Date: Mon 28 Mar 2011 01:02:52 PM IST      Build Host: x86-002.build.bos.redhat.com
Group       : System Environment/Daemons    Source RPM: certmonger-0.39-1.el6.src.rpm
Size        : 678726                           License: GPLv3+
Signature   : (none)
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
URL         : http://certmonger.fedorahosted.org
Summary     : Certificate status monitor and PKI enrollment client

How reproducible:
Try to generate a certificate with invalid Extended Key Usage

Steps to Reproduce:
1.Issue a certificate request with invalid Extended Key Usage
  [root@dhcp193-17 ~]# selfsign-getcert request -d /tmp/kaleem/ -n test -U invalid
Segmentation fault (core dumped)
  
Actual results:
'Segmenation fault (core dumped)' is displayed on console.

Expected results:
A console message like 'Please provide valid Extended Key Usage' should have been displayed.

Additional info:
(1)Certmonger is running even after segmentation fault.
(2)There is no stack trace in gdb when this occurs.
Comment 4 Kaleem 2011-03-30 06:02:27 UTC 
Verified.

RHEL Version:
[root@tiger ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 6.1 Beta (Santiago)

Certmonger Version :
[root@dhcp193-17 getcert_list]# rpm -qai certmonger |head
Name        : certmonger                   Relocations: (not relocatable)
Version     : 0.40                              Vendor: Red Hat, Inc.
Release     : 1.el6                         Build Date: Tue 29 Mar 2011 02:58:11 AM IST
Install Date: Wed 30 Mar 2011 11:26:04 AM IST      Build Host: x86-008.build.bos.redhat.com
Group       : System Environment/Daemons    Source RPM: certmonger-0.40-1.el6.src.rpm
Size        : 867380                           License: GPLv3+
Signature   : (none)
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
URL         : http://certmonger.fedorahosted.org
Summary     : Certificate status monitor and PKI enrollment client

Steps used to verify:
(1)install certmonger
   [root@dhcp193-17 getcert_list]# yum install certmonger -y
Loaded plugins: product-id, subscription-manager
Updating Red Hat repositories.
INFO:rhsm-app.repolib:repos updated: 0
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package certmonger.x86_64 0:0.40-1.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================================================================================
 Package                                Arch                               Version                                 Repository                           Size
=============================================================================================================================================================
Installing:
 certmonger                             x86_64                             0.40-1.el6                              rhel6.1                             190 k
Transaction Summary
=============================================================================================================================================================
Install       1 Package(s)

Total download size: 190 k
Installed size: 847 k
Downloading Packages:
certmonger-0.40-1.el6.x86_64.rpm                                                                                                      | 190 kB     00:00     
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
  Installing : certmonger-0.40-1.el6.x86_64                                                                                                              1/1 
duration: 87(ms)
Installed products updated.
Installed:
  certmonger.x86_64 0:0.40-1.el6                                                                    Complete!

(2)start certmonger service
[root@dhcp193-17 getcert_list]# service certmonger start
Starting certmonger:                                       [  OK  ]

(3)Issue a certificate request with invalid extended key usage
[root@dhcp193-17 getcert_list]# selfsign-getcert request -d /tmp/kaleem/ -n test -U invalid
Could not evaluate OID "invalid".

Results:
Now segmentation fault is not there and following error message is displayed.
"Could not evaluate OID "invalid" ".
Comment 5 Eva Kopalova 2011-05-02 17:04:24 UTC 
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Previously, running the getcert command with an invalid Extended Key Usage parameter caused a segmentation fault. This happened because the command attempted to dereference a NULL pointer while attempting to report that the parameter value was not a valid OID (Object Identifier). With this update, certmonger reports that the OID validation failed and prints a message that the provided Extended Key Usage is invalid.
Comment 6 errata-xmlrpc 2011-05-19 13:07:23 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-2011-0570.html
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