https://bz.apache.org/bugzilla/show_bug.cgi?id=61023
Bug ID: 61023
Summary: Reverse proxy closes connection when using special
characters in post request
Product: Apache httpd-2
Version: 2.4.23
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
If the following character sequence is used anywhere in a POST Request body,
the reverse proxy server closes the connection before it can be finished:
" |
In words: <double quotation mark><space><pipe><space>
In hex: \x22\x20\x7C\x20
After doing that you can find the following two lines in the error log:
[proxy_http:error] [pid 6096:tid 7192] (OS 10054)An existing connection was
forcibly closed by the remote host. : [client xxx.xxx.xxx.xxx:62062] AH02609:
read request body failed to xxx.xxx.xxx.xxx:80 (the.requested.url) from
xxx.xxx.xxx.xxx (), referer: http://the.requested.url
[proxy_http:error] [pid 6096:tid 7192] [client xxx.xxx.xxx.xxx:62062] AH01097:
pass request body failed to xxx.xxx.xxx.xxx:80 (the.requested.url) from
xxx.xxx.xxx.xxx (), referer: http://the.requested.url
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