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CVE-2009-3475

7.5 · HIGH

Internet2 Shibboleth Service Provider software 1.3.x before 1.3.3 and 2.x before 2.2.1, when using PKIX trust validation, does not properly handle a '\0' character in the subject or subjectAltName…

Published Sep 29, 2009internet2CWE-310EPSS 0.89%

Overview

CVE-2009-3475 is a high-severity vulnerability affecting internet2 shibboleth-sp. It was published on September 29, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Internet2 Shibboleth Service Provider software 1.3.x before 1.3.3 and 2.x before 2.2.1, when using PKIX trust validation, does not properly handle a '\0' character in the subject or subjectAltName fields of a certificate, which allows remote man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Remediation

Check the references section for vendor advisories and patches from internet2. Update shibboleth-sp 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

Refsecunia.com/advisories/36855Refsecunia.com/advisories/36861Refsecunia.com/advisories/36876Refshibboleth.internet2.edu/secadv/secadv_20090817.txtRefwww.debian.org/security/2009/dsa-1895Refwww.debian.org/security/2009/dsa-1896Refsecunia.com/advisories/36855Refsecunia.com/advisories/36861Refsecunia.com/advisories/36876Refshibboleth.internet2.edu/secadv/secadv_20090817.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3475?

CVE-2009-3475 is a high-severity vulnerability affecting internet2 shibboleth-sp. It was published on September 29, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2009-3475?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3475?

Check the references section for vendor advisories and patches from internet2. Update shibboleth-sp 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-2009-3475?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3475 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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