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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://issues.shibboleth.net/jira/browse/SSPCPP-927	Exploit Patch Vendor Advisory
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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2021-04-26 21:15

Updated : 2021-05-07 10:49

NVD link : CVE-2021-31826

Mitre link : CVE-2021-31826

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

shibboleth

service_provider

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