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Message-ID: <514CC340.2010405@nixnuts.net>
Date: Fri, 22 Mar 2013 15:46:56 -0500
From: John Lightsey <john@...nuts.net>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: mod_ruid2 before 0.9.8
On 03/22/2013 03:36 PM, Kurt Seifried wrote:
> On 03/22/2013 09:08 AM, John Lightsey wrote:
>> In versions of mod_ruid2 before 0.9.8, the filedescriptor used to
>> break out of the chroot is inherited by all Apache subprocesses.
>> This allows CGI scripts to also to break out of the chroot by
>> performing a fchdir() across the inherited file descriptor.
>
>
>> http://sourceforge.net/mailarchive/forum.php?thread_name=514C503E.4020109%40users.sourceforge.net&forum_name=mod-ruid-announce
>
> Can
>
> you provide a link to the source code fix? thanks.
>
https://github.com/mind04/mod-ruid2/commit/1fed9dda70cd44d54301df19730a29ae0989e0a2
The key part of the fix is the block at line 366:
} else if (fcntl(root_handle, F_SETFD, FD_CLOEXEC) < 0) {
...
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