6.8
CVSSv2

CVE-2017-16853

Published: 16/11/2017 Updated: 07/11/2023
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML prior to 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka CPPOST-105.

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shibboleth opensaml

debian debian linux 8.0

debian debian linux 9.0

Vendor Advisories

Debian Bug report logs - #881856 opensaml2: CVE-2017-16853: Dynamic MetadataProvider fails to install security filters (CPPOST-105) Package: src:opensaml2; Maintainer for src:opensaml2 is Debian Shib Team <pkg-shibboleth-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Wed, 1 ...
Rod Widdowson of Steading System Software LLP discovered a coding error in the OpenSAML library, causing the DynamicMetadataProvider class to fail configuring itself with the filters provided and omitting whatever checks they are intended to perform See shibbolethnet/community/advisories/secadv_20171115txt for details For the oldstable ...
The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvidercpp in OpenSAML-C in OpenSAML before 261 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, a ...