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>> Avira Products Pointer Overwrite and Process Creation Vulnerabilities

Title : Avira Products Pointer Overwrite and Process Creation Vulnerabilities
VUPEN ID : VUPEN/ADV-2008-3130
CVE ID : CVE-2008-6962 - CVE-2009-2761
CWE ID : VUPEN VNS Only
CVSS V2 : VUPEN VNS Only
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-11-12


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 

Multiple vulnerabilities have been identified in various Avira products, which could be exploited by local attackers to gain elevated privileges.

The first issue is caused due to input validation errors in a driver when processing certain IOCTL requests, which could allow malicious unprivileged users to overwrite a kernel pointer and execute arbitrary code with SYSTEM privileges.

The second vulnerability is caused due to insecure use of the "CreateProcess()" API in "sched.exe", which could allow local users to gain elevated privileges.

Affected Products

Avira AntiVir Premium
Avira Premium Security Suite
Avira AntiVir Professional
Avira AntiVir Personal - FREE

Solution

Fixes are available via normal updates.

References

http://www.vupen.com/english/advisories/2008/3130
http://www.vupen.com/english/VUPEN-Security-Advisory-20081112.txt

Credits

Vulnerabilities reported by Sebastien Renaud (VUPEN Security) and Thierry Zoller.

ChangeLog

2008-11-12 : Initial release

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