Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | shibboleth-sp2 | 2.6.0+dfsg1-4+deb9u1 | DSA-4038-1 |
| Debian 8 | shibboleth-sp2 | 2.5.3+dfsg-2+deb8u1 | DSA-4038-1 |
| Debian 7 | shibboleth-sp2 | 2.4.3+dfsg-5+deb7u2 | DLA-1179-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | shibboleth-sp2 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | shibboleth-sp | 2.5.5-6.3.1 | SUSE-SU-2017:3215-1 |
| SLES 12 SP2 | shibboleth-sp | 2.5.5-6.3.1 | SUSE-SU-2017:3215-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | shibboleth-sp | 2.5.5-6.3.1 | SUSE-SU-2017:3215-1 |
| SLES for SAP 12 SP2 | shibboleth-sp | 2.5.5-6.3.1 | SUSE-SU-2017:3215-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | sha1collisiondetection | 3.2.3-1.2 | openSUSE-SU-2024:11381-1 |
Advisories 4
- DSA-4038-1 shibboleth-sp2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1179-1 shibboleth-sp2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:3215-1 Security update for shibboleth-sp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11381-1 libshibsp-lite10-3.2.3-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugs.debian.org/881857
- https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=b66cceb0e992c351ad5e2c665229ede82f261b16
- https://shibboleth.net/community/advisories/secadv_20171115.txt
- [debian-lts-announce] 20171118 [SECURITY] [DLA 1179-1] shibboleth-sp2 security update mailing-list
- DSA-4038 vendor-advisory