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THREATINT
PUBLISHED

CVE-2025-5715

Signal App Biometric Authentication missing critical step in authentication



Description

EN DE

A vulnerability was found in Signal App 7.41.4 on Android. It has been declared as problematic. This vulnerability affects unknown code of the component Biometric Authentication Handler. The manipulation leads to missing critical step in authentication. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

In Signal App 7.41.4 für Android wurde eine Schwachstelle ausgemacht. Sie wurde als problematisch eingestuft. Das betrifft eine unbekannte Funktionalität der Komponente Biometric Authentication Handler. Mit der Manipulation mit unbekannten Daten kann eine missing critical step in authentication-Schwachstelle ausgenutzt werden. Ein Angriff setzt physischen Zugriff auf dem Zielobjekt voraus. Die Komplexität eines Angriffs ist eher hoch. Das Ausnutzen gilt als schwierig. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-05 | Published 2025-06-06 | Updated 2025-06-09 | Assigner VulDB


LOW: 1.0CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.8CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
LOW: 3.8CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.5AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Missing Critical Step in Authentication

Product status

7.41.4
affected

Timeline

2025-06-05:Advisory disclosed
2025-06-05:VulDB entry created
2025-06-05:VulDB entry last update

Credits

S0lidstat3 (VulDB User) reporter

References

vuldb.com/?id.311236 (VDB-311236 | Signal App Biometric Authentication missing critical step in authentication) vdb-entry

vuldb.com/?ctiid.311236 (VDB-311236 | CTI Indicators (IOB, IOC)) signature permissions-required

vuldb.com/?submit.585069 (Submit #585069 | Signal Signal Android App 7.41.4 (Current) Improper Authentication) third-party-advisory

drive.google.com/...6ActlzGlmSU-AhCdD950y4/view?usp=drivesdk exploit

cve.org (CVE-2025-5715)

nvd.nist.gov (CVE-2025-5715)

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