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Apache HTTPD: mod_proxy_wstunnel tunneling of non Upgraded connections (CVE-2019-17567)

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Apache HTTPD: mod_proxy_wstunnel tunneling of non Upgraded connections (CVE-2019-17567)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
06/10/2021
Created
01/19/2022
Added
12/22/2021
Modified
01/13/2022

Description

Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server was tunneling the whole connection regardless, thus allowing for subsequent requests on the same connection to pass through with no HTTP validation, authentication or authorization possibly configured.

Solution(s)

  • apache-httpd-upgrade-2_4_48

References

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