8.1high

CVE-2017-16852

shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to pro…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
8.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.1%
percentile 66%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.10% probability of exploitation in the next 30 days, higher than 66% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

References

  • bugs.debian.org /881857 · x_refsource_CONFIRM, x_transferred
  • git.shibboleth.net /view/?p=cpp-sp.git%3Ba=commit%3Bh=b66cceb0e992c351ad5e2c665229ede82f261b16 · x_refsource_CONFIRM, x_transferred
  • shibboleth.net /community/advisories/secadv_20171115.txt · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2017/11/msg00025.html · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2017/dsa-4038 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.