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CVE-2018-12423

Good to know:

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Date: June 14, 2018

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

Language: Python

Severity Score

Related Resources (7)

https://bugs.debian.org/901549
https://github.com/matrix-org/matrix-doc/issues/1304
https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/
https://nvd.nist.gov/vuln/detail/CVE-2018-12423
https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2
https://github.com/matrix-org/synapse
https://www.mend.io/vulnerability-database/CVE-2018-12423

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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