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CVE-2011-2503

3.7 · LOW

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…

Published Jul 26, 2012systemtapCWE-20EPSS 0.44%

Overview

CVE-2011-2503 is a low-severity vulnerability affecting systemtap systemtap. It was published on July 26, 2012 and has a CVSS 2.0 base score of 3.7 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.7, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from systemtap. Update systemtap to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
systemtapsystemtap0Affected

References

Refsecunia.com/advisories/45377Refsecunia.com/advisories/46920Refsources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8Refsources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3Refwww.debian.org/security/2011/dsa-2348Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503Refsecunia.com/advisories/45377Refsecunia.com/advisories/46920Refsources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8Refsources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3

How CyberStrike helps

Frequently asked questions

What is CVE-2011-2503?

CVE-2011-2503 is a low-severity vulnerability affecting systemtap systemtap. It was published on July 26, 2012 and has a CVSS 2.0 base score of 3.7 (LOW).

How severe is CVE-2011-2503?

This vulnerability has a CVSS 2.0 base score of 3.7, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-2503?

Check the references section for vendor advisories and patches from systemtap. Update systemtap to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-2503?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2503 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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