CVE-2017-16853
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| shibboleth | opensaml | {"endExcluding":"2.6.1"} | 2.6.1 |
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
- https://www.suse.com/security/cve/CVE-2017-16853.html
CWEs
CWE-347
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.