CVE-2017-16853

NameCVE-2017-16853
DescriptionThe DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML before 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1178-1, DSA-4039-1
Debian Bugs881856

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
opensaml2 (PTS)stretch, stretch (security)2.6.0-4+deb9u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensaml2sourcewheezy2.4.3-4+deb7u2DLA-1178-1
opensaml2sourcejessie2.5.3-2+deb8u2DSA-4039-1
opensaml2sourcestretch2.6.0-4+deb9u1DSA-4039-1
opensaml2source(unstable)2.6.1-1881856

Notes

https://git.shibboleth.net/view/?p=cpp-opensaml.git;a=commit;h=6182b0acf2df670e75423c2ed7afe6950ef11c9d
https://shibboleth.net/community/advisories/secadv_20171115.txt

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