We discovered a high-severity vulnerability in the Service Location Protocol (SLP) [CVE-2023-29552], a legacy Internet protocol. Attackers exploiting this vulnerability could leverage vulnerable instances to launch massive Denial-of-Service (DoS) reflective amplification attacks with a factor as high as 2200 times, potentially making it one of the largest amplification attacks ever reported.
See mitigation & remediation instructions.
Refer to the following resources for more details: