VMware Remote Console e.x.p build-158248 – Format String

• Exploit Database
• 9 阅读

• 作者： Alexey Sintsov
  日期： 2010-04-12
• 类别：

  • dos
  平台：

  • multiple
• 来源：https://www.exploit-db.com/exploits/12188/

• [DSECRG-09-053] VMware Remote Console - format string vulnerability
  http://www.dsecrg.com/pages/vul/show.php?id=153
  
  VMrc vulnerable to format string attacks. Exploitation of this issue may lead to arbitrary code execution on the system where VMrc is installed.
  
  Digital Security Research Group [DSecRG] Advisory DSECRG-09-053
  
  
  Application: VMware Remoute Console
  Version: e.x.p build-158248
  Vendor URL: http://vmware.com
  Bugs: Format String Vulnerabilitys
  Exploits: YES (PoC)
  Reported: 07.08.2009
  Vendor response: 13.08.2009
  Date of Public Advisory: 09.04.2010
  CVE: CVE-2009-3732
  VSA: VMSA-2010-0007
  Authors: Alexey Sintsov of
  Digital Security Research Group [DSecRG] (research [at] dsecrg [dot] com)
  
  
  
  Description
  ********
  
  VMware Remote Console Plug-in can be installed from WEB
  interface of VMware vSphere. This software contains of ActiveX
  objects and executable files for remote console of guest OS.
  VMrc vulnerable to format string attacks. Exploitation of this issue
  may lead to arbitrary code execution on the system where VMrc is installed.
  
  
  Details
  *******
  
  Attacker can make shortcut with special parameters for
  vmware-vmrc.exe and bad MOID or HOST parameter. If a user try to use
  this shortcut to connect to vSphere server he will see next message
  box:
  
  "Error opening the remote virtual
  machine HOST\MOID: The object has already been deleted
  or has not been completely created."
  
  If user name or password will be incorrect the user also gets error
  message box.
  
  Parameters HOST and MOID are addicted to format injection.
  
  Also this vuln. can be exploited remotely by special crafted html page.
  
  ActiveX element: clsid:B94C2238-346E-4C5E-9B36-8CC627F35574
  
  Attacker can rewrite stack data and may be it's possible to code
  execution.
  
  
  
  Example(shortcut):
  *****************
  
  C:\Program Files\Common Files\VMware\VMware Remote Console Plug-in>vmware-vmrc.exe -u vmware_user -h HOST -M AAAA:%x.%x.%x.%x.:BBBB
  
  VMDlg::ShowDialog: Error opening the remote virtual machine
  HOST\AAAA:3455600.78138a94.100012b2.28e27b0.:BBBB:
  
  Example(ActiveX):
  ****************
  
  objectVMRC.connect ("host" ,"username" ,"password",
  "%x:%x:%x:%x:%x:%x:%x:%x:%x" ,"X" ,2);
  
  
  Fix Information
  ***************
  VMware has released the following patch for
  ESX 4.0: ESX400-200911223-UG
  
  Also this issue solved in vCenter 4.0 Update 1
  
  References
  **********
  
  http://dsecrg.com/pages/vul/show.php?id=153
  http://lists.vmware.com/pipermail/security-announce/2010/000090.html
  
  About
  *****
  
  Digital Security is leading IT security company in Russia,
  providing information security consulting, audit and penetration
  testing services, risk analysis and ISMS-related services and
  certification for ISO/IEC 27001:2005 and PCI DSS standards.
  Digital Security Research Group focuses on web application and database
  security problems with vulnerability reports, advisories and whitepapers
  posted regularly on our website.
  
  
  Contact: research [at] dsecrg [dot] com
  http://www.dsecrg.com