Citrix is warning customers about a DDoS attack targeting specific services associated with the Datagram Transport Layer Security protocol. In a recent threat advisory, the company stated the following:

Citrix is aware of a DDoS attack pattern impacting Citrix ADCs. As part of this attack, an attacker or bots can overwhelm the Citrix ADC DTLS network throughput, potentially leading to outbound bandwidth exhaustion. The effect of this attack appears to be more prominent on connections with limited bandwidth. At this time, the scope of attack is limited to a small number of customers around the world, and further, there are no known Citrix vulnerabilities associated with this event. If the Citrix Security Response Team discovers that a product is vulnerable to DDoS attacks because of a defect in Citrix software, information about affected products will be published as a security bulletin.

According to Citrix, they are working on a fix that they hope to deploy mid-January to lower…



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