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List:       oss-security
Subject:    [oss-security] CVE-2021-44224: Apache HTTP Server: Possible NULL dereference or SSRF in forward prox
From:       Stefan Eissing <icing () apache ! org>
Date:       2021-12-20 9:49:21
Message-ID: c027ff26-93ef-39b6-10a8-228bc988c3e8 () apache ! org
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Severity: moderate

Description:

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests =
on) can cause a crash (NULL pointer dereference) or, for configurations =
mixing forward and reverse proxy declarations, can allow for requests to be=
 directed to a declared Unix Domain Socket endpoint (Server Side Request =
Forgery).

This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

Credit:

=E6=BC=82=E4=BA=AE=E9=BC=A0
TengMA(@Te3t123)

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