CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://issues.shibboleth.net/jira/browse/SSPCPP-927 Exploit Patch
https://bugs.debian.org/987608 Mailing List Third Party Advisory
https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec Mailing List Vendor Advisory
https://shibboleth.net/community/advisories/secadv_20210426.txt Vendor Advisory
https://www.debian.org/security/2021/dsa-4905 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*
Information

Published : 2021-04-27 04:15

Updated : 2021-05-07 05:49

NVD link : CVE-2021-31826

Mitre link : CVE-2021-31826

Products Affected
No products.
CWE
CWE-476