Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
05 / REFERENCES
Further evidence
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://www.openwall.com/lists/oss-security/2024/04/04/4
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27316.json
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/
- https://nvd.nist.gov/vuln/detail/CVE-2024-27316
- https://security.netapp.com/advisory/ntap-20240415-0013/
- https://support.apple.com/kb/HT214119
- https://www.kb.cert.org/vuls/id/421644
- https://www.openwall.com/lists/oss-security/2024/04/03/16
- http://www.openwall.com/lists/oss-security/2024/04/03/16
- https://lists.fedoraproject.org/archives/list/[email protected]/message/QKKDVFWBKIHCC3WXNH3W75WWY4NW42OB/