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Huawei EulerOS: CVE-2019-9517: httpd security update

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Huawei EulerOS: CVE-2019-9517: httpd security update

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
08/13/2019
Created
02/27/2020
Added
02/26/2020
Modified
02/26/2020

Description

Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.

Solution(s)

  • huawei-euleros-2_0_sp8-upgrade-httpd
  • huawei-euleros-2_0_sp8-upgrade-httpd-devel
  • huawei-euleros-2_0_sp8-upgrade-httpd-filesystem
  • huawei-euleros-2_0_sp8-upgrade-httpd-manual
  • huawei-euleros-2_0_sp8-upgrade-httpd-tools
  • huawei-euleros-2_0_sp8-upgrade-mod_session
  • huawei-euleros-2_0_sp8-upgrade-mod_ssl

References

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