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[Full-disclosure] Workaround for Ac1db1tch3z exploit.

From: Terje Malmedal (terje.malmedalusit.uio.no)
Date: Thu Sep 16 2010 - 07:58:57 CDT


If you do not actually need to run any 32bits binaries on x86_64 you can
do:

echo ':32bits:M:0:\x7fELF\x01::/bin/echo:' > /proc/sys/fs/binfmt_misc/register

This will make the kernel run /bin/echo filename instead of executing
the file whenever it sees a 32bit ELF binary.

Of course if you actually *need* to run some 32bits binaries this will
not help you.

--
 - Terje
malmedalusit.uio.no

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