CVE-2021-31826: Null Pointer Dereference
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.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2021-31826?
CVE-2021-31826 refers to a vulnerability in Shibboleth Service Provider 3.x before 3.2.2 that allows for a NULL pointer dereference flaw involving the session recovery feature.
How severe is CVE-2021-31826?
CVE-2021-31826 has a severity rating of 7.5, which is considered high.
Which systems are affected by CVE-2021-31826?
Systems running Shibboleth Service Provider 3.x versions before 3.2.2 are affected by CVE-2021-31826.
How can I mitigate the vulnerability CVE-2021-31826?
To mitigate the vulnerability CVE-2021-31826, update your Shibboleth Service Provider to version 3.2.2 or later.
Where can I find more information about CVE-2021-31826?
You can find more information about CVE-2021-31826 in the following references: [Link 1](https://shibboleth.net/community/advisories/secadv_20210426.txt), [Link 2](https://issues.shibboleth.net/jira/browse/SSPCPP-927), [Link 3](https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec).