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>> Lenovo Rescue and Recovery Privilege Escalation Vulnerability

Title : Lenovo Rescue and Recovery Privilege Escalation Vulnerability
VUPEN ID : VUPEN/ADV-2008-2806
CVE ID : CVE-2008-4589
CWE ID : CWE-119
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-10-14


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  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Lenovo Rescue and Recovery, which could be exploited by local attackers to gain elevated privileges. This issue is caused by a heap overflow error in the "tvtumon.sys" driver when processing an overly long filename passed through the filesystem, which could allow local unprivileged users to crash an affected system or execute arbitrary code with kernel privileges.

Affected Products

Lenovo Rescue and Recovery version 4.20 and prior

Solution

Upgrade to Lenovo Rescue and Recovery version 4.21 :
http://www-307.ibm.com/pc/support/site.wss/MIGR-4Q2QAK.html

References

http://www.vupen.com/english/advisories/2008/2806
http://www-307.ibm.com/pc/support/site.wss/MIGR-70699.html
http://www-307.ibm.com/pc/support/site.wss/MIGR-4Q2QAK.html
https://www.isecpartners.com/advisories/2008-02-lenovornr.txt

Credits

Vulnerability reported by Chris Clark and Rachel Engel (iSEC Partners).

ChangeLog

2008-10-14 : Initial release

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