Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <CA+5g0SJMp87UWZcHDXPZoYCh1NhTkw1ZALyEgP7NnQpwiRX53g@mail.gmail.com>
Date: Fri, 14 Jun 2013 14:24:09 -0300
From: Felipe Pena <felipensp@...il.com>
To: oss-security@...ts.openwall.com
Subject: CVE request: FD leakage for cgi program on Monkey HTTPD

I've identified a fd leakage when running a program via Monkey HTTPD -
CGI plugin.

By runninng `ls -lah /proc/<pid>/fd/` on the CGI program we can see:

total 0
dr-x------ 2 felipe felipe 0 Jun 14 14:00 .
dr-xr-xr-x 8 felipe felipe 0 Jun 14 14:00 ..
lr-x------ 1 felipe felipe 64 Jun 14 14:00 0 -> pipe:[239545]
l-wx------ 1 felipe felipe 64 Jun 14 14:00 1 -> pipe:[239546]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 10 -> anon_inode:[eventpoll]
lr-x------ 1 felipe felipe 64 Jun 14 14:00 11 -> pipe:[242960]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 12 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 13 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 14 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 15 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 16 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 17 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 18 -> anon_inode:[eventpoll]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 19 -> anon_inode:[eventpoll]
l-wx------ 1 felipe felipe 64 Jun 14 14:00 2 -> /dev/null
lrwx------ 1 felipe felipe 64 Jun 14 14:00 3 -> socket:[240797]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 4 ->
/home/felipe/audit/monkey/monkey/logs/monkey.pid.2001
lr-x------ 1 felipe felipe 64 Jun 14 14:00 5 -> pipe:[240798]
l-wx------ 1 felipe felipe 64 Jun 14 14:00 6 -> pipe:[240798]
lr-x------ 1 felipe felipe 64 Jun 14 14:00 7 -> pipe:[240799]
l-wx------ 1 felipe felipe 64 Jun 14 14:00 8 -> pipe:[240799]
lrwx------ 1 felipe felipe 64 Jun 14 14:00 9 -> socket:[242784]

Hence a malicious program can take control of Monkey HTTP request response
through a network socket related file descriptor, etc.


Report
------
http://bugs.monkey-project.com/ticket/187


CREDITS
-------
Felipe Pena

--
Regards,
Felipe Pena

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.