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CVE-2009-0343

7.2 · HIGH

Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a…

Published Jan 29, 2009niels_provosCWE-264EPSS 0.82%

Overview

CVE-2009-0343 is a high-severity vulnerability affecting niels_provos systrace. It was published on January 29, 2009 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Niels Provos Systrace 1.6f and earlier on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 32-bit syscall with a syscall number that corresponds to a policy-compliant 64-bit syscall, related to race conditions that occur in monitoring 64-bit processes.

Remediation

Check the references section for vendor advisories and patches from niels_provos. Update systrace 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
niels_provossystrace0Affected

References

Refscary.beasts.org/security/CESA-2009-001.htmlRefscarybeastsecurity.blogspot.com/2009/01/bypassing-syscall-filtering.htmlRefwww.citi.umich.edu/u/provos/systrace/Refwww.securityfocus.com/archive/1/500377/100/0/threadedRefwww.securityfocus.com/bid/33417Refscary.beasts.org/security/CESA-2009-001.htmlRefscarybeastsecurity.blogspot.com/2009/01/bypassing-syscall-filtering.htmlRefwww.citi.umich.edu/u/provos/systrace/Refwww.securityfocus.com/archive/1/500377/100/0/threadedRefwww.securityfocus.com/bid/33417

How CyberStrike helps

Frequently asked questions

What is CVE-2009-0343?

CVE-2009-0343 is a high-severity vulnerability affecting niels_provos systrace. It was published on January 29, 2009 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2009-0343?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. 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-2009-0343?

Check the references section for vendor advisories and patches from niels_provos. Update systrace 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-2009-0343?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-0343 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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