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CVE-2006-5484

5.0 · MEDIUM

SSH Tectia Client/Server/Connector 5.1.0 and earlier, Manager 2.2.0 and earlier, and other products, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which al…

Published Oct 24, 2006sshEPSS 1.38%

Overview

CVE-2006-5484 is a medium-severity vulnerability affecting ssh tectia_client. It was published on October 24, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

SSH Tectia Client/Server/Connector 5.1.0 and earlier, Manager 2.2.0 and earlier, and other products, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents Tectia from correctly verifying X.509 and other certificates that use PKCS #1, a similar issue to CVE-2006-4339.

Remediation

Check the references section for vendor advisories and patches from ssh. Update tectia_client 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
sshtectia_client0Affected
sshtectia_connector0Affected
sshtectia_manager0Affected
sshtectia_server0Affected

References

Refsecunia.com/advisories/22350Refsecuritytracker.com/id?1017060Refsecuritytracker.com/id?1017061Refwww.kb.cert.org/vuls/id/845620Refwww.ssh.com/company/news/2006/english/security/article/786/Refwww.vupen.com/english/advisories/2006/4032Refsecunia.com/advisories/22350Refsecuritytracker.com/id?1017060Refsecuritytracker.com/id?1017061Refwww.kb.cert.org/vuls/id/845620

How CyberStrike helps

Frequently asked questions

What is CVE-2006-5484?

CVE-2006-5484 is a medium-severity vulnerability affecting ssh tectia_client. It was published on October 24, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2006-5484?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2006-5484?

Check the references section for vendor advisories and patches from ssh. Update tectia_client 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-2006-5484?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-5484 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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