CVE-2021-31826

high

Description

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.

References

https://www.debian.org/security/2021/dsa-4905

https://shibboleth.net/community/advisories/secadv_20210426.txt

https://issues.shibboleth.net/jira/browse/SSPCPP-927

https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec

https://bugs.debian.org/987608

Details

Source: Mitre, NVD

Published: 2021-04-27

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High