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Category:   Application (Generic)  >   SystemTap Vendors:   SystemTap
SystemTap Lets Local Users Gain Elevated Privileges and Deny Service
SecurityTracker Alert ID:  1024754
SecurityTracker URL:  http://securitytracker.com/id/1024754
CVE Reference:   CVE-2010-4170, CVE-2010-4171   (Links to External Site)
Date:  Nov 17 2010
Impact:   Denial of service via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Two vulnerabilities were reported in SystemTap. A local user can obtain elevated privileges on the target system. A local user can cause denial of service conditions.

The staprun process does not properly sanitize the environment before executing the 'modprobe' command [CVE-2010-4170]. A local user can exploit this to gain elevated privileges.

A local user can cause staprun to unload an arbitrary kernel module that is not in use [CVE-2010-4171].

Tavis Ormandy reported these vulnerabilities.

Impact:   A local user can obtain elevated privileges on the target system.

A local user can cause denial of service conditions on the target system.

Solution:   The vendor has issued a fix, available at:

http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=commit;h=b7565b41228bea196cefa3a7d43ab67f8f9152e2

Vendor URL:  sourceware.org/systemtap/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 17 2010 (Red Hat Issues Fix) SystemTap Lets Local Users Gain Elevated Privileges and Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 4.
Nov 17 2010 (Red Hat Issues Fix) SystemTap Lets Local Users Gain Elevated Privileges and Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5 and 6.



 Source Message Contents



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