CVE-2019-17567

Name	CVE-2019-17567
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3818-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apache2 (PTS)	bullseye	2.4.62-1~deb11u1	fixed
	bullseye (security)	2.4.62-1~deb11u2	fixed
	bookworm, bookworm (security)	2.4.62-1~deb12u2	fixed
	sid, trixie	2.4.62-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
apache2	source	experimental	2.4.48-1
apache2	source	buster	2.4.59-1~deb10u1	DLA-3818-1
apache2	source	(unstable)	2.4.48-2

Notes

[stretch] - apache2 <ignored> (Intrusive and risky backport)
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2019-17567
https://svn.apache.org/r1885605