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CVE-2017-16852

shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth...

8.1 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.10%Down 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.1

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.

Record
CVE-2017-16852
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-347
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2017-16852
Updated
2026-11-02
EUVDEUVD-2017-8026 No score

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.

Record
EUVD-2017-8026
Updated
2026-11-03
GitHub AdvisoriesGHSA-5rhm-55rh-pvvp 8.1

shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth...

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.

Record
GHSA-5rhm-55rh-pvvp
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-347
Updated
2026-11-02
OSVUBUNTU-CVE-2017-16852 8.1

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.

Record
UBUNTU-CVE-2017-16852
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:11381-1 No score

libshibsp-lite10-3.2.3-1.2 on GA media

These are all security issues fixed in the libshibsp-lite10-3.2.3-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11381-1
Updated
2026-11-02
OSVSUSE-SU-2017:3215-1 No score

Security update for shibboleth-sp

This update for shibboleth-sp fixes the following issues:

Security issue fixed:

  • CVE-2017-16852: Fix critical security checks in the Dynamic MetadataProvider plugin in Shibboleth Service (bsc#1068689).
Record
SUSE-SU-2017:3215-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
shibboleth-sp2
Debian:7
 before 2.4.3+dfsg-5+deb7u2, plus listed versions
2.4.3+dfsg-52.4.3+dfsg-5+deb7u1
2.4.3+dfsg-5+deb7u2
shibboleth-sp2
Debian:8
 before 2.5.3+dfsg-2+deb8u1, plus listed versions
2.5.3+dfsg-2
2.5.3+dfsg-2+deb8u1
shibboleth-sp2
Debian:9
 before 2.6.0+dfsg1-4+deb9u1, plus listed versions
2.6.0+dfsg1-42.6.0+dfsg1-4+deb9u1~bpo8+1
2.6.0+dfsg1-4+deb9u1
shibboleth-sp
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp
SUSE:Linux Enterprise Software Development Kit 12 SP2
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp
SUSE:Linux Enterprise Server 12 SP2
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp
SUSE:Linux Enterprise Server 12 SP3
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 2.5.5-6.3.1
2.5.5-6.3.1
shibboleth-sp2
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.5.3+dfsg-2.1build1
 None known
sha1collisiondetection
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
 before 3.2.3-1.2
3.2.3-1.2

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-16852 is a high vulnerability (CVSS 8.1) in Shibboleth Service Provider, published November 16, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.10%, the 66th percentile. Fixed in shibboleth-sp2 2.4.3+dfsg-5+deb7u2.

References

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