VulnerabilityModified

CVE-2017-16853

HIGH 8.1EPSS 1.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.0: 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.40% probability · 71th percentile
CISA KEV: Not listed
Weakness: CWE-347
Affected: shibboleth/opensaml · debian/debian linux
Source: cve@mitre.org

References

http://www.securityfocus.com/bid/101898Third Party Advisory, VDB Entry
https://bugs.debian.org/881856Issue Tracking, Third Party Advisory
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.txtIssue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-4039Issue Tracking, Third Party Advisory
http://www.securityfocus.com/bid/101898Third Party Advisory, VDB Entry
https://bugs.debian.org/881856Issue Tracking, Third Party Advisory
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.txtIssue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-4039Issue Tracking, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.