CVE Vulnerability

CVE-2018-12291

The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/matrix-org/synapse/releases/tag/v0.31.1 Third Party Advisory
https://github.com/matrix-org/synapse/pull/3371 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*
Information

Published : 2018-06-13 02:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-12291

Mitre link : CVE-2018-12291

Products Affected
No products.
CWE
NVD-CWE-noinfo