CVE-2009-3475
EPSS 0.36%
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.
How to fix CVE-2009-3475
To remediate CVE-2009-3475, upgrade the affected package to a fixed version below.
- Debian/opensaml—upgrade to 3.0.0-2 or later
- Debian/shibboleth-sp—upgrade to 3.0.2+dfsg1-2 or later
- —upgrade to 1.2.2-1 or later
Is CVE-2009-3475 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.0.0-2
- from 0, < 3.0.2+dfsg1-2
- from 0, < 1.2.2-1