National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-2503 Detail

Description

The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module initialization.

Source:  MITRE
Description Last Modified:  07/26/2012

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 3.7 LOW
Vector: (AV:L/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=blob;f=NEWS;hb=304d73b1fea24af791f2a129fb141c5009eae6a8
http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=commitdiff;h=ed51cfa24ca27746ab09b59280b94117dd58cba3 Exploit Patch
http://www.debian.org/security/2011/dsa-2348
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.5:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.7:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.8:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.9:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.10:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.12:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.13:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.5.14:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.6:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.7:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.8:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.9:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:0.9.9:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:1.0:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:1.1:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:1.2:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:1.3:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:1.4:*:*:*:*:*:*:*
cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:*    versions up to (including) 1.5

Denotes Vulnerable Software
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Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-2503
NVD Published Date:
07/26/2012
NVD Last Modified:
07/27/2012