Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2018-12291

Published: Jun 13, 2018 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-12291
CWEhttps://cwe.mitre.org/data/definitions/.html

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.

Affected Software

NameVendorStart VersionEnd Version
SynapseMatrix*0.31.1 (excluding)
Matrix-synapseUbuntuartful*
Matrix-synapseUbuntubionic*
Matrix-synapseUbuntucosmic*
Matrix-synapseUbuntudisco*
Matrix-synapseUbuntueoan*
Matrix-synapseUbuntuesm-apps/bionic*
Matrix-synapseUbuntugroovy*
Matrix-synapseUbuntuhirsute*
Matrix-synapseUbuntuimpish*
Matrix-synapseUbuntumantic*
Matrix-synapseUbuntuupstream*

References

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