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CVE-2010-4478

9.8 · CRITICAL

OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the share…

Published Dec 6, 2010openbsdCWE-287EPSS 4.24%

Overview

CVE-2010-4478 is a critical-severity vulnerability affecting openbsd openssh. It was published on December 6, 2010 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol, a related issue to CVE-2010-4252.

Remediation

Check the references section for vendor advisories and patches from openbsd. Update openssh 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
openbsdopenssh0Affected

References

Refkb.juniper.net/InfoCenter/index?page=content&id=JSA10673Refseb.dbzteam.org/crypto/jpake-session-key-retrieval.pdfRefwww.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5Refwww.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c.diff?r1=1.4%3Br2=1.5%3Bf=hRefbugzilla.redhat.com/show_bug.cgi?id=659297GitHubgithub.com/seb-m/jpakeRefoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12338Refkb.juniper.net/InfoCenter/index?page=content&id=JSA10673Refseb.dbzteam.org/crypto/jpake-session-key-retrieval.pdfRefwww.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4478?

CVE-2010-4478 is a critical-severity vulnerability affecting openbsd openssh. It was published on December 6, 2010 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2010-4478?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-4478?

Check the references section for vendor advisories and patches from openbsd. Update openssh 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-2010-4478?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4478 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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