CVE-2009-3475

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-29 · updated 2026-06-16
Weakness: CWE-310

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.

Affected products

Internet2 Shibboleth-Sp: 1.3.1, 1.3.2, 1.3f, 2.0, 2.1, 2.2

References

http://secunia.com/advisories/36855
http://secunia.com/advisories/36861
http://secunia.com/advisories/36876
http://shibboleth.internet2.edu/secadv/secadv_20090817.txt
http://www.debian.org/security/2009/dsa-1895
http://www.debian.org/security/2009/dsa-1896
http://secunia.com/advisories/36855
http://secunia.com/advisories/36861
http://secunia.com/advisories/36876
http://shibboleth.internet2.edu/secadv/secadv_20090817.txt
http://www.debian.org/security/2009/dsa-1895
http://www.debian.org/security/2009/dsa-1896

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