CVE-2018-12291 — Synapse vulnerability

10 documents7 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 55.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Matrix Synapse
Timeline
PublishedJun 13
Latest updateMay 16

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDmatrix/synapse< 0.31.1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

5
OSV
matrix-synapse vulnerabilities↗2023-05-16
▶
GHSA
Matrix Synapse Security Filtering Flaw↗2022-05-13
▶
OSV
Matrix Synapse Security Filtering Flaw↗2022-05-13
▶
OSV
CVE-2018-12291: The on_get_missing_events function in handlers/federation↗2018-06-13
▶
CVEList
CVE-2018-12291: The on_get_missing_events function in handlers/federation↗2018-06-13
▶

📋Vendor Advisories

2
Ubuntu
Synapse vulnerabilities↗2023-05-16
▶
Debian
CVE-2018-12291: matrix-synapse - The on_get_missing_events function in handlers/federation.py in Matrix Synapse b...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py↗2018-06-12
▶
Bugzilla
CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py [fedora-all]↗2018-06-12
▶
CVE-2018-12291 — Matrix Synapse vulnerability | cvebase