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CVE-2006-4343

4.3 · MEDIUM

The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service (client crash) vi…

Published Sep 28, 2006opensslCWE-476EPSS 19.07%

Overview

CVE-2006-4343 is a medium-severity vulnerability affecting openssl openssl. It was published on September 28, 2006 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service (client crash) via unknown vectors that trigger a null pointer dereference.

Remediation

Check the references section for vendor advisories and patches from openssl. Update openssl 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://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.ascRefftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.ascRefdocs.info.apple.com/article.html?artnum=304829Refh20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771Refissues.rpath.com/browse/RPL-613Refitrc.hp.com/service/cki/docDisplay.do?docId=c00805100Refitrc.hp.com/service/cki/docDisplay.do?docId=c00849540Refkolab.org/security/kolab-vendor-notice-11.txtReflists.apple.com/archives/security-announce/2006/Nov/msg00001.htmlReflists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html

How CyberStrike helps

Frequently asked questions

What is CVE-2006-4343?

CVE-2006-4343 is a medium-severity vulnerability affecting openssl openssl. It was published on September 28, 2006 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2006-4343?

This vulnerability has a CVSS 2.0 base score of 4.3, 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-2006-4343?

Check the references section for vendor advisories and patches from openssl. Update openssl 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-2006-4343?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-4343 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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