CVE-2025-24904

libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and may have been able to bypass the end-to-end encryption and authentication. The vulnerability is fixed per 82d70f6720e762898f34ae76b0894b0297d9b2f8. The `Metadata` struct contains an additional `was_encrypted` field, which breaks the API, but should be easily resolvable. No known workarounds are available.

CVSS v3 8.5 HIGH

8.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.1 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/whisperfish/libsignal-service-rs/commit/82d70f6720e762898f34ae76b0894b0297d9b2f8
https://github.com/whisperfish/libsignal-service-rs/security/advisories/GHSA-hrrc-wpfw-5hj2

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) libsignal-service-rs es una versión Rust de la librería libsignal-service-java que implementa la funcionalidad principal para comunicarse con los servidores Signal. Antes del commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, un servidor o un cliente malintencionado podían inyectar sobres de contenido de texto plano, que podrían haber evitado el cifrado y la autenticación de extremo a extremo. La vulnerabilidad se solucionó según 82d70f6720e762898f34ae76b0894b0297d9b2f8. La estructura `Metadata` contiene un campo `was_encrypted` adicional, que rompe la API, pero debería poder resolverse fácilmente. No hay workarounds disponibles.

13 Feb 2025, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-02-13 16:16

Updated : 2026-06-17 08:59

NVD link : CVE-2025-24904

Mitre link : CVE-2025-24904

CVE.ORG link : CVE-2025-24904

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-287

Improper Authentication

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