CVE-2022-0778: Possible Denial of Service (DoS) from purposedly crafted TLS certificate
DGW-15442 - CVE-2022-0778: Possible Denial of Service (DoS) from purposedly crafted TLS certificate
An important security flaw was found in the OpenSSL library affecting DGW version 48.4 and below. If exploited successfully, this vulnerability could cause the unit to reboot unexpectedly.
The CVE-2022-0778 has been addressed by upgrading the OpenSSL library to version 1.1.1n.
DGW-15338 - OWASP: Disable access to internal UART
Follow OWASP IoT Verification Requirement C.1:Verify that application layer debugging interfaces such USB, UART, and other serial variants are disabled or protected by a complex password.
DGW-15007 - User passwords are now securely hashed
User passwords are no longer saved in clear text, but instead saved in a cryptographically secure way, using the PBKDF2-HMAC-SHA256 hash algorithm.
Previously, when exporting a backup or configuration script, the passwords could be read in clear-text. Now, only the hashed passwords are visible.
A user cannot retrieve a forgotten password anymore, since it is impossible to reverse a hashed password into a clear-text password. In case all passwords are forgotten, a partial reset or factory reset can be done to restore to the factory initial passwords.
DGW-14973 - SIP: Support additional DHE ciphers
The SipEp service now supports the following DHE ciphers when using SIP over TLS:
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