Vulnerability Details CVE-2021-31826
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 80.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://bugs.debian.org/987608
- https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec
- https://issues.shibboleth.net/jira/browse/SSPCPP-927
- https://shibboleth.net/community/advisories/secadv_20210426.txt
- https://www.debian.org/security/2021/dsa-4905
- https://bugs.debian.org/987608
- https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec
- https://issues.shibboleth.net/jira/browse/SSPCPP-927
- https://shibboleth.net/community/advisories/secadv_20210426.txt
- https://www.debian.org/security/2021/dsa-4905
Products affected by CVE-2021-31826
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cpe:2.3:a:shibboleth:service_provider:3.0.0
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cpe:2.3:a:shibboleth:service_provider:3.0.2
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cpe:2.3:a:shibboleth:service_provider:3.0.3
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cpe:2.3:a:shibboleth:service_provider:3.0.4
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cpe:2.3:a:shibboleth:service_provider:3.1.0