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Date: Fri, 6 Apr 2018 10:35:33 +0200
From: Sebastian Krahmer <half.linked.list@...il.com>
To: oss-security@...ts.openwall.com
Subject: Re: Privsec vuln in beep / Code execution in GNU patch
Hi
:
>
> If anyone knows the background of this please share it.
lulz. There is indeed a double free of console_device,
if a SIGINT is caught right before main() returns.
(Looking at git dbf0b4). Besides the easter egg, the patch
is still wrong. optarg may be reused via console_device, so the strdup()
is OK, but the ressource-free and signal handling isnt.
Shouts to the beep trolls. I strongly challenge the oppinion that security
is better done without it ...
Brave Knights who found issues in such small code base.
lg
-s
--
~
~ perl <-> $_='print"\$_=\47$_\47;eval"';eval
~ bash <-> $(curl stealth.openwall.net/null/nuts.txt)
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