CVE-2009-3523

Public Exploit

Description

aavmKer4.sys in avast! Home and Professional for Windows before 4.8.1356 does not properly validate input to IOCTLs (1) 0xb2d6000c and (2) 0xb2d60034, which allows local users to gain privileges via IOCTL requests using crafted kernel addresses that trigger memory corruption, a different vulnerability than CVE-2008-1625.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ntinternals.org/ntiadv0904/ntiadv0904.html exploit
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6024 vdb entry signature
http://secunia.com/advisories/36858 third party advisory vendor advisory
http://www.avast.com/eng/avast-4-home_pro-revision-history.html

Frequently Asked Questions

What is the severity of CVE-2009-3523?
CVE-2009-3523 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3523?
To fix CVE-2009-3523, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3523 being actively exploited in the wild?
It is possible that CVE-2009-3523 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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