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CVE-2011-1547

6.8 · MEDIUM

Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory co…

Published May 9, 2011netbsdCWE-119EPSS 5.08%

Overview

CVE-2011-1547 is a medium-severity vulnerability affecting netbsd netbsd. It was published on May 9, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a crafted (1) IPv4 or (2) IPv6 packet with nested IPComp headers.

Remediation

Check the references section for vendor advisories and patches from netbsd. Update netbsd 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

References

Refftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.ascReflists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.htmlRefwww.kb.cert.org/vuls/id/668220Refftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.ascReflists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.htmlRefwww.kb.cert.org/vuls/id/668220

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1547?

CVE-2011-1547 is a medium-severity vulnerability affecting netbsd netbsd. It was published on May 9, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2011-1547?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1547?

Check the references section for vendor advisories and patches from netbsd. Update netbsd 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-2011-1547?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1547 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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