Vulnerability in Shibboleth Service Provider
CVE-2017-16852
shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider 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 SSPCPP-763.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Shibboleth Service Provider
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- bugs.debian.org/881857 (Third Party Advisory, Issue Tracking)
- git.shibboleth.net/view/
- shibboleth.net/community/advisories/secadv_20171115.txt (Issue Tracking, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2017/11/msg00025.html (mailing-list)
- www.debian.org/security/2017/dsa-4038 (vendor-advisory, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-16852?
- CVE-2017-16852 is a high-severity vulnerability in Shibboleth Service Provider, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.1/10. Published 2017-11-16.
- How severe is CVE-2017-16852?
- High severity. CVSS v3 base score is 8.1 out of 10.