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SCA: security update for matrix-synapse (GHSA-gjgr-7834-rhxr)

medium Tenable Self-Hosted Container Security Plugin ID 415176

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design,
 unauthenticated remote participants to trigger a download and caching of remote media from a remote
 homeserver to the local media repository. Such content then also becomes available for download from the
 local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can
 use this functionality to plant problematic content into the media repository. Synapse 1.106 introduces a
 partial mitigation in the form of new endpoints which require authentication for media downloads. The
 unauthenticated endpoints will be frozen in a future release, closing the attack vector. (CVE-2024-37303)

Solution

Update the matrix-synapse library and its related packages to version 1.106 or later.

See Also

https://github.com/advisories/GHSA-gjgr-7834-rhxr

Plugin Details

Severity: Medium

ID: 415176

Version: Revision 1.11

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2024-37303

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/3/2024

Vulnerability Publication Date: 12/3/2024

Reference Information

CVE: CVE-2024-37303

cwe: CWE-306