CVE-2021-46853
Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS.
- Actualiza a 2.22+dfsg1-1ubuntu0.1~esm1
PatchFirst · Vulnerabilidades recientes
Vulnerabilidades publicadas para alpine en los últimos 30 días: 0. Incluidas en el catálogo KEV: 0.
Vulnerabilidades: 3
Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS.
In Alpine before 2.25, untagged responses from an IMAP server are accepted before STARTTLS.
Alpine before 2.23 silently proceeds to use an insecure connection after a /tls is sent in certain circumstances involving PREAUTH, which is a less secure behavior than the alternative of closing the connection and letting the user decide what they would like to do.
Compara tu pila y las versiones instaladas con las bases actuales de vulnerabilidades.