CVE-2017-0936 - Authorization Bypass Through User-Controlled Key

Severity

49%

Complexity

68%

Confidentiality

81%

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could the error be misused to identify as another user.

Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could the error be misused to identify as another user.

CVSS 3.0 Base Score 5.7. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N).

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:S/C:N/I:P/A:P).

Overview

First reported 6 years ago

2018-03-28 20:29:00

Last updated 5 years ago

2019-10-09 23:21:00

Affected Software

Nextcloud Server 12.0.5

12.0.5

References

https://hackerone.com/reports/297751

Third Party Advisory

https://nextcloud.com/security/advisory/?id=nc-sa-2018-001

Vendor Advisory

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