Description
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each frame disproportionate to attack bandwidth. This can consume excess CPU.
Remediation
References
Related Vulnerabilities
PHP Other Vulnerability (CVE-2015-4599)
Apache HTTP Server Other Vulnerability (CVE-2002-2103)
Magento Authorization Bypass Through User-Controlled Key Vulnerability (CVE-2019-7864)
Oracle HTTP Server Inadequate Encryption Strength Vulnerability (CVE-2013-2566)
WordPress Plugin Subscribe to Comments Local File Inclusion (2.1.2)