Friday, October 29, 2010

Firefox Exploit (CVE-2010-3765)

Bug patched at firefox 3.6.12 .
Update your browser !


Firefox exploit from the wild

working on windows xp firefox version 3.6.8 - 3.6.11

source code of exploit

virustotal scan results

Thursday, October 28, 2010

New Adobe 0day (bug in flash player),CVE-2010-3654

New bug, successful exploitation of latest adobe reader 9.4.0.195 and flash player 10.1.85.3.

Remotely exploitable.

Adobe confirms exploit http://www.adobe.com/support/security/advisories/apsa10-05.html


Bug exist in authplay.dll





Already vulnerability actively exploited in the wild against Adobe Reader.
Look at Mila's Blog:

http://contagiodump.blogspot.com/2010/10/potential-new-adobe-flash-player-zero.html

Exploit from the wild successful works under Adobe Reader 9.4.0 on windows xp.
pdf size 241,679 bytes.


Swf file size -22,946 bytes.


swf decompiled looks like

this is curvedPolygon.
possibly related to
http://www.flashandmath.com/basic/drawpathCS4/example3.html

Exploit use js heap spray

source code of heap spray
http://pastebin.com/kKBaQnuU
nop slide 0x58585858
exploit feel memory as showed in image



Exploit use ROP technic to allocate memory end copy shellcode.
http://pastebin.com/ax3mdmNh

shellcode drops in %temp% directory
~.exe , ~temp.bat, pdf named same as pdf.

dropped files are located here
http://www.mediafire.com/?asf501lfmtv3s0e
Password is "infected" .

to be continued ...