Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.0%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
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
Products affected by CVE-2017-16853
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cpe:2.3:a:shibboleth:opensaml:2.4.1
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cpe:2.3:a:shibboleth:opensaml:2.4.2
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cpe:2.3:a:shibboleth:opensaml:2.4.3
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cpe:2.3:a:shibboleth:opensaml:2.5.0
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cpe:2.3:a:shibboleth:opensaml:2.5.1
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cpe:2.3:a:shibboleth:opensaml:2.5.2
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cpe:2.3:a:shibboleth:opensaml:2.5.3
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cpe:2.3:a:shibboleth:opensaml:2.5.4
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cpe:2.3:a:shibboleth:opensaml:2.5.5
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cpe:2.3:a:shibboleth:opensaml:2.5.5.1
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cpe:2.3:a:shibboleth:opensaml:2.6.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0