CVE Vulnerability

CVE-2020-5206

In Opencast before 7.6 and 8.1, using a remember-me cookie with an arbitrary username can cause Opencast to assume proper authentication for that user even if the remember-me cookie was incorrect given that the attacked endpoint also allows anonymous access. This way, an attacker can, for example, fake a remember-me token, assume the identity of the global system administrator and request non-public content from the search service without ever providing any proper authentication. This problem is fixed in Opencast 7.6 and Opencast 8.1

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

10 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/opencast/opencast/commit/b157e1fb3b35991ca7bf59f0730329fbe7ce82e8 Patch
https://github.com/opencast/opencast/security/advisories/GHSA-vmm6-w4cf-7f3x Mitigation Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:apereo:opencast:8.0:*:*:*:*:*:*:*
cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:*
Information

Published : 2020-01-30 10:15

Updated : 2020-02-05 06:30

NVD link : CVE-2020-5206

Mitre link : CVE-2020-5206

Products Affected
No products.
CWE
CWE-287