CVE-2020-14049

Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious website could launch Viber with arbitrary parameters, forcing a victim to send an NTLM authentication request, and either relay the request or capture the hash for offline password cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.

Viber for Windows up to 13.2.0.39 does not properly quote its custom URI handler. A malicious website could launch Viber with arbitrary parameters, forcing a victim to send an NTLM authentication request, and either relay the request or capture the hash for offline password cracking. NOTE: this issue exists because of an incomplete fix for CVE-2019-12569.

Viber para Windows versiones hasta 13.2.0.39, no cita correctamente su manejador de URI personalizado. Un sitio web malicioso podría iniciar Viber con parámetros arbitrarios, forzando a una víctima a enviar una petición de autenticación NTLM y retransmitir la petición o capturar el hash para descifrar contraseñas sin conexión. NOTA: este problema se presenta debido a una corrección incompleta para CVE-2019-12569