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Gomatrixserverlib Server-Side Request Forgery (SSRF) on redirects and federation

Moderate severity GitHub Reviewed Published Jan 16, 2025 in matrix-org/gomatrixserverlib • Updated Jan 17, 2025

Package

gomod github.com/matrix-org/gomatrixserverlib (Go)

Affected versions

<= 0.0.0-20250106190028-bf86bc98b879

Patched versions

0.0.0-20250116181547-c4f1e01eab0d

Description

Impact

Gomatrixserverlib is vulnerable to server-side request forgery, serving content from a private network it can access, under certain conditions.

Patches

c4f1e01eab0dd435709ad15463ed38a079ad6128 fixes this issue.

Workarounds

Use a local firewall to limit the network segments and hosts the service using gomatrixserverlib can access.

References

N/A

References

@S7evinK S7evinK published to matrix-org/gomatrixserverlib Jan 16, 2025
Published by the National Vulnerability Database Jan 16, 2025
Published to the GitHub Advisory Database Jan 16, 2025
Reviewed Jan 16, 2025
Last updated Jan 17, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(29th percentile)

Weaknesses

Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Learn more on MITRE.

CVE ID

CVE-2024-52594

GHSA ID

GHSA-4ff6-858j-r822

Source code

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