NULL Pointer Dereference Vulnerability in Shibboleth Service Provider by Shibboleth
CVE-2021-31826

7.5HIGH

Key Information:

Vendor

Shibboleth

Status
Service Provider
Vendor
CVE Published:
27 April 2021

What is CVE-2021-31826?

Shibboleth Service Provider versions prior to 3.2.2 are affected by a NULL pointer dereference vulnerability associated with the session recovery feature. This vulnerability can be exploited by providing a specially crafted cookie, leading to a crash of the daemon on systems that are not utilizing this feature.

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References

https://shibboleth.net/community/advisories/secadv_202104...
x_refsource_MISC
https://issues.shibboleth.net/jira/browse/SSPCPP-927
x_refsource_MISC
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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