CVE-2021-31826

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : 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

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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://bugs.debian.org/987608 Mailing List Third Party Advisory
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec
https://issues.shibboleth.net/jira/browse/SSPCPP-927 Exploit Patch 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 (hide)

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

07 Nov 2023, 03:35

Type Values Removed Values Added
References
  • {'url': 'https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec', 'name': 'https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec', 'tags': ['Mailing List', 'Vendor Advisory'], 'refsource': 'MISC'}
  • () https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec -

07 May 2021, 17:49

Type Values Removed Values Added
CWE CWE-476
CPE cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec - (MISC) https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec - Mailing List, Vendor Advisory
References (MISC) https://bugs.debian.org/987608 - (MISC) https://bugs.debian.org/987608 - Mailing List, Third Party Advisory
References (MISC) https://issues.shibboleth.net/jira/browse/SSPCPP-927 - (MISC) https://issues.shibboleth.net/jira/browse/SSPCPP-927 - Exploit, Patch, Vendor Advisory
References (MISC) https://shibboleth.net/community/advisories/secadv_20210426.txt - (MISC) https://shibboleth.net/community/advisories/secadv_20210426.txt - Vendor Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4905 - (DEBIAN) https://www.debian.org/security/2021/dsa-4905 - Third Party Advisory

28 Apr 2021, 05:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4905 -

27 Apr 2021, 04:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-04-27 04:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-31826

Mitre link : CVE-2021-31826

CVE.ORG link : CVE-2021-31826

JSON object : View

Products Affected

shibboleth

  • service_provider
CWE
CWE-476

NULL Pointer Dereference