In the house in a heartbeat uses9/23/2023 ![]() ![]() ![]() An exploit could allow the attacker to disclose a limited portion of memory from a connected client or server for every heartbeat packet sent. An exploit could send a specially crafted TLS or DTLS heartbeat packet to the connected client or server. An attacker could exploit this vulnerability by implementing a malicious TLS or Datagram Transport Layer Security (DTLS) client, if trying to exploit the vulnerability on an affected server, or a malicious TLS or DTLS server, if trying to exploit the vulnerability on an affected client. The vulnerability is due to a missing bounds check in the handling of the Transport Layer Security (TLS) heartbeat extension. ![]() Multiple Cisco products incorporate a version of the OpenSSL package affected by a vulnerability that could allow an unauthenticated, remote attacker to retrieve memory in chunks of 64 kilobytes from a connected client or server.
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