Ubuntu Security Update USN-7292-1: Dropbear vulnerabilities

[LinuxBot]

Manfred Kaiser discovered that Dropbear through 2020.81 does not properly check the available authentication methods in the client-side SSH code. An attacker could use this vulnerability to gain unauthorized access to remote systems. (CVE-2021-36369) Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that the SSH transport protocol implementation in Dropbear had weak integrity checks. An attacker could use this vulnerability to bypass security features like encryption and integrity checks. (CVE-2023-48795)

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