CVE-2017-16853

The 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
shibbolethopensaml
𝑥
< 2.6.1
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
opensaml2
cosmic
not-affected
bionic
not-affected
artful
Fixed 2.6.0-4+deb9u1build0.17.10.1
released
zesty
Fixed 2.6.0-4+deb9u1build0.17.04.1
released
xenial
Fixed 2.5.5-1ubuntu0.1
released
trusty
Fixed 2.5.3-2+deb8u2build0.14.04.1
released
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/101898
https://bugs.debian.org/881856
https://git.shibboleth.net/view/?p=cpp-opensaml.git%3Ba=commit%3Bh=6182b0acf2df670e75423c2ed7afe6950ef11c9d
https://lists.debian.org/debian-lts-announce/2017/11/msg00024.html
https://shibboleth.net/community/advisories/secadv_20171115.txt
https://www.debian.org/security/2017/dsa-4039
http://www.securityfocus.com/bid/101898
https://bugs.debian.org/881856
https://git.shibboleth.net/view/?p=cpp-opensaml.git%3Ba=commit%3Bh=6182b0acf2df670e75423c2ed7afe6950ef11c9d
https://lists.debian.org/debian-lts-announce/2017/11/msg00024.html
https://shibboleth.net/community/advisories/secadv_20171115.txt
https://www.debian.org/security/2017/dsa-4039