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CVE-2017-16853

Publication date 16 November 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
opensaml2 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Fixed 2.6.0-4+deb9u1build0.17.10.1
17.04 zesty
Fixed 2.6.0-4+deb9u1build0.17.04.1
16.04 LTS xenial
Fixed 2.5.5-1ubuntu0.1
14.04 LTS trusty
Fixed 2.5.3-2+deb8u2build0.14.04.1

Severity score breakdown

Parameter Value
Base score 8.1 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H