CVE-2020-25648

A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

Se encontró un fallo en la manera en que NSS manejaba los mensajes CCS (ChangeCipherSpec) en TLS versión 1.3. Este fallo permite a un atacante remoto enviar múltiples mensajes CCS, causando una denegación de servicio para los servidores compilados con la biblioteca NSS. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema. Este fallo afecta a NSS versiones anteriores a 3.58