Ubuntu Security Update USN-7966-1: Snowflake vulnerabilities

[LinuxBot]

It was discovered that Pion DTLS, vendored in Snowflake, did not impose a limit on the amount of data that was buffered during the handshake. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29189) It was discovered that Pion DTLS, vendored in Snowflake, did not prevent the fragmentBuffer from processing zero length fragments. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29190) It was discovered that Pion DTLS, vendored in Snowflake, did not require CertificateVerify when Client Cert was sent. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29222)

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