CVE-2009-3474 Security feature bypass in n/a

High 7.5 Published Updated

Attackers can misuse certificates for unintended purposes due to ignored KeyDescriptor attributes, weakening security in SAML implementations.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2009-3474?

CVE-2009-3474 is a high-severity vulnerability in n/a, published on 29 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before 2.2.1, do not follow the KeyDescriptor element's Use attribute, which allows remote attackers to use a certificate for both signing and encryption when it is designated for just one purpose, potentially weakening the intended security application of the certificate.

Weakness: CWE-310

Which versions are affected by CVE-2009-3474?

It affects 3 products.

Products include Internet2 Opensaml, Internet2 Shibboleth-Sp, Internet2 Xmltooling.

How do I fix CVE-2009-3474?

Upgrade to a fixed version.

Is CVE-2009-3474 being exploited?

There is no known exploitation of CVE-2009-3474 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-3474, GHSA-575w-rwc7-4259.

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