Vulnerability Monitor

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CVE-2020-5222

Opencast before 7.6 and 8.1 enables a remember-me cookie based on a hash created from the username, password, and an additional system key. This means that an attacker getting access to a remember-me token for one server can get access to all servers which allow log-in using the same credentials without ever needing the credentials. This problem is fixed in Opencast 7.6 and Opencast 8.1

Published

2020-01-30T21:15:14.980

Last Modified

2024-11-21T05:33:42.567

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-798
Type: Primary
CWE-798

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apereo	opencast	< 7.6	Yes
Application	apereo	opencast	8.0	Yes

References

https://github.com/opencast/opencast/commit/1a7172c95af8d542a77ae5b153e4c834dd4788a6 Patch ([email protected])
https://github.com/opencast/opencast/security/advisories/GHSA-mh8g-hprg-8363 Mitigation, Third Party Advisory ([email protected])
https://github.com/opencast/opencast/commit/1a7172c95af8d542a77ae5b153e4c834dd4788a6 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/opencast/opencast/security/advisories/GHSA-mh8g-hprg-8363 Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)