CVE-2017-16853 Security feature bypass in n/a
OpenSAML-C fails to enforce signature verification and validity checks, allowing attackers to bypass critical security controls in SAML metadata processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-16853?
CVE-2017-16853 is a high-severity vulnerability in Debian Debian Linux, published on 16 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-347
Which versions are affected by CVE-2017-16853?
It affects 2 products.
Linux distribution packages (7)
opensaml SUSE:Linux Enterprise Server 12 SP2 | All versions | 2.5.5-3.3.1 |
opensaml SUSE:Linux Enterprise Server 12 SP3 | All versions | 2.5.5-3.3.1 |
opensaml SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 | All versions | 2.5.5-3.3.1 |
opensaml SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 2.5.5-3.3.1 |
opensaml SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 2.5.5-3.3.1 |
opensaml SUSE:Linux Enterprise Software Development Kit 12 SP2 | All versions | 2.5.5-3.3.1 |
opensaml SUSE:Linux Enterprise Software Development Kit 12 SP3 | All versions | 2.5.5-3.3.1 |
Products include Debian Debian Linux, Shibboleth Opensaml.
How do I fix CVE-2017-16853?
Upgrade to a fixed version.
Is CVE-2017-16853 being exploited?
There is no known exploitation of CVE-2017-16853 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DLA-1178-1, DSA-4039-1, GHSA-hrv7-jmr6-cr43, SUSE-SU-2017:3234-1, UBUNTU-CVE-2017-16853, openSUSE-SU-2024:11122-1.