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CVE-2017-16853

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Date: November 16, 2017

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.

Language: C++

Severity Score

Related Resources (8)

http://www.securityfocus.com/bid/101898
https://nvd.nist.gov/vuln/detail/CVE-2017-16853
https://www.debian.org/security/2017/dsa-4039
https://shibboleth.net/community/advisories/secadv_20171115.txt
https://lists.debian.org/debian-lts-announce/2017/11/msg00024.html
https://bugs.debian.org/881856
https://git.shibboleth.net/view/?p=cpp-opensaml.git%3Ba=commit%3Bh=6182b0acf2df670e75423c2ed7afe6950ef11c9d
https://www.mend.io/vulnerability-database/CVE-2017-16853

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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