Vulnerability CVE-2020-15149
Published: 2020-08-20

Description:
NodeBB before version 1.14.3 has a bug introduced in version 1.12.2 in the validation logic that makes it possible to change the password of any user on a running NodeBB forum by sending a specially crafted socket.io call to the server. This could lead to a privilege escalation event due via an account takeover. As a workaround you may cherry-pick the following commit from the project's repository to your running instance of NodeBB: 16cee1b03ba3eee177834a1fdac4aa8a12b39d2a. This is fixed in version 1.14.3.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
NodeBB Forum 1.14.2 Account Takeover
Muhammed Eren Uy...
15.10.2020

Type:

CWE-269

 (Improper Privilege Management)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Nodebb -> Nodebb 

 References:
https://github.com/NodeBB/NodeBB/commit/c2477d9d5ffc43e5ffeb537ea2ceb4ce9592aa39
https://github.com/NodeBB/NodeBB/security/advisories/GHSA-hr66-c8pg-5mg7
https://zeroauth.ltd/blog/2020/08/20/proof-of-concept-exploit-for-cve-2020-15149-nodebb-arbitrary-user-password-change/
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