CVE-2017-16853: debian debian_linux
Vulnerability summary
CVE-2017-16853 is a high (CVSS 8.1) vulnerability in debian debian_linux. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72% of scored vulnerabilities.
Timeline
- 16-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.40%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.40% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse7 products
- opensaml&distro=SUSE Linux Enterprise Server 12 SP2< 2.5.5-3.3.1
- opensaml&distro=SUSE Linux Enterprise Server 12 SP3< 2.5.5-3.3.1
- opensaml&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2< 2.5.5-3.3.1
- opensaml&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2< 2.5.5-3.3.1
- opensaml&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3< 2.5.5-3.3.1
Debian2 products
- opensaml2< 2.5.3-2+deb8u2 | < 2.6.0-4+deb9u1 | < 2.4.3-4+deb7u2
- debian_linuxEOL8.0 | 9.0
Shibboleth1 product
- opensaml< 2.6.1
Ubuntu1 product
- opensaml2< 2.5.3-2+deb8u2build0.14.04.1 | < 2.5.5-1ubuntu0.1
4 vendors · 11 products
References
12 links- www.debian.org/security/2017/dsa-4039Vendor AdvisoryX Refsource DEBIANIssue TrackingThird Party Advisory
- shibboleth.net/community/advisories/secadv_20171115.txtX Refsource CONFIRMIssue TrackingVendor AdvisoryREPORT