libapache2-mod-shib: Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recove...
CVE-2021-31826 is fixed in 8 products on 1 platform, first by libapache2-mod-shib 3.0.4+dfsg1-1ubuntu0.2, released April 26, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libapache2-mod-shib · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | libapache2-mod-shib 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| libapache2-mod-shib2 · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | libapache2-mod-shib2 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| libshibsp-plugins · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | libshibsp-plugins 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| libshibsp8 · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | libshibsp8 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| shibboleth-sp-common · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | shibboleth-sp-common 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| shibboleth-sp-utils · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | shibboleth-sp-utils 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| shibboleth-sp2-common · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | shibboleth-sp2-common 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
| shibboleth-sp2-utils · Ubuntu 20.04 LTS (focal) | 3.0.4+dfsg1-1ubuntu0.2 | shibboleth-sp2-utils 3.0.4+dfsg1-1ubuntu0.2 | Apr 26, 2021 |
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