Contact | Site en Français               

 


 

Vulnerabilities & Threats

 
  VUPEN Security Advisories
  Linux Security Advisories

  Malware Advisories

  Security Research
  Threat Watch Blog
  Zero-Day Monitor
  Search Engine
  Mailing List & RSS
 
   

>> Xen "flask_op" Hypercall Local Buffer Overflow Vulnerability

Title : Xen "flask_op" Hypercall Local Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2008-2426
CVE ID : CVE-2008-3687
CWE ID : CWE-119
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-08-25


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Xen, which could be exploited by local attackers to cause a denial of service or gain elevated privileges. This issue is caused by a buffer overflow error when processing specially crafted arguments passed to the "flask_op" hypercall of the "XSM:Flask" module , which could allow malicious domain users (domU) to crash an affected system or execute arbitrary code with elevated privileges.

Affected Products

Xen version 3.3 and prior

Solution

Apply patch :
http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a

References

http://www.vupen.com/english/advisories/2008/2426
http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a

Credits

Vulnerability reported by Rafal Wojtczuk (McAfee).

ChangeLog

2008-08-25 : Initial release

Vulnerability Management

Subscribe to VUPEN VNS and receive real-time alerts when new advisories or patches relevant to your systems and network configurations are available.

Feedback

If you have additional information or corrections for this security advisory please submit them via our contact form.

 

Vulnerability Alerting

Free 14-Day Trial

 
  Latest News

 

  >> 2009-07-06

     

  Microsoft Windows 0-Day
  Flaw Exploited in the Wild


  >> 2009-06-10

     

  VUPEN Security Research
  Discovered Critical Flaws
  in Adobe Acrobat and MS

  Office Word


  >> 2009-06-02

     

  VUPEN Security Research
  Discovered Critical Flaws
  in ACDSee Products


  >> 2009-05-22

     

  VUPEN Discovered Two
  Critical Vulnerabilities in
  Novell GroupWise 8 / 7

 

 

More Informations    
    








Copyright 2003-2009 © VUPEN.COM - Privacy Policy