denial of service attack
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Critical Remote Code Execution (RCE) Vulnerability Found in Juniper SRX Firewalls and EX Switches
Juniper Networks (NASDAQ: JUNIER) has issued a security vulnerability advisory to fix a critical Remote Code Execution (RCE) vulnerability in the SRX Series Firewalls and EX Series Switches (CVE-2024-21591), as well as another high-risk vulnerability in Junos OS and Junos OS Evolved (CVE- 2024-21611), which can also be exploited by unauthenticated network attackers to cause a denial of service attack. 2024-21611) in Junos OS and Junos OS Evolved, which can also be exploited by an unauthenticated attacker to cause a denial-of-service attack.
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HTTP/2 zero-day vulnerability (CVE-2023-44487) triggered the largest denial of service attack in history
Recently, Google announced the HTTP/2 protocol vulnerability CVE-2023-44487.
Attackers can use this vulnerability to launch low-cost and very large-scale attacks (http2-rapid-reset-ddos-attack). Attackers used this method to launch attacks on Google Cloud Platform customers starting in August. In one attack, the attacker issued up to 398 million requests in 1 second, which is also the highest number of requests per second on record. an attack.
