PT-2015-5443 · Shibboleth+1 · Shibboleth Identity Provider+1

Brent Putman · Published 2015-07-08 · Updated 2022-05-17 · CVE-2015-1796

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions Shibboleth Identity Provider versions prior to 2.4.4 OpenSAML Java (OpenSAML-J) versions prior to 2.6.5

Description The issue allows remote attackers to impersonate an entity via a certificate issued by a shibmd:KeyAuthority trust anchor when no trusted names are available for the entityID. This is due to the PKIX trust engines trusting candidate X.509 credentials in such scenarios.

Recommendations For Shibboleth Identity Provider versions prior to 2.4.4, update to version 2.4.4 or later to resolve the issue. For OpenSAML Java (OpenSAML-J) versions prior to 2.6.5, update to version 2.6.5 or later to resolve the issue.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-254

CWE-295

Related Identifiers

CVE-2015-1796

GHSA-78FQ-W796-Q537

Affected Products

Opensaml Java

Shibboleth Identity Provider

References · 6

• https://shibboleth.net/community/advisories/secadv_20150225.txt · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2015-1176.html · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2015-1177.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-1796 · Security Note
• https://osv.dev/vulnerability/GHSA-78fq-w796-q537 · Vendor Advisory
• http://securityfocus.com/bid/75370 · Note