bugtraq - Re: Multiple OS kernel insecure handling of stdio file descriptor

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Message-ID: <8764b11tmi.fsf@amd64.home>
Date: Sat, 20 Jan 2007 20:43:33 +0300
From: eugeny gladkih <john@...eb.com>
To: Shiva Persaud <shivapd@...tin.ibm.com>
Cc: XFOCUS Security Team <security@...cus.org>,
	full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: Multiple OS kernel  insecure handling of stdio file descriptor

>>>>> "SP" == Shiva Persaud <shivapd@...tin.ibm.com> writes:

 >> XFOCUS team (http://www.xfocus.org/)  had discovered Multiple OS kernel
 >> insecure handling of stdio file descriptor.
 >> 
 >> ===================
 >> Affected OS Version
 >> 
 >> AIX 5.3

 SP> The AIX Security Team can be reached at security-alert@...tin.ibm.com.

 SP> We have investigated this issue and AIX is not affected. A privileged
 SP> process will not inherit closed file descriptors for stdio, stdout and
 SP> stderr.

well, but what is used for stdout if it's closed in the parent
process just before fork(2) call?!

-- 
Yours sincerely, Eugeny.
Doctor Web, Ltd. http://www.drweb.com