CVE-2019-6493

Public Exploit

Description

SmartDefragDriver.sys (2.0) in IObit Smart Defrag 6 never frees an executable kernel pool that is allocated with user defined bytes and size when IOCTL 0x9C401CC0 is called. This kernel pointer can be leaked if the kernel pool becomes a "big" pool.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory github.io Vendor Advisory iobit.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://downwithup.github.io/CVEPosts.html exploit vendor advisory
https://www.iobit.com/en/iobitsmartdefrag.php product vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-6493?
CVE-2019-6493 has been scored as a medium severity vulnerability.
How to fix CVE-2019-6493?
To fix CVE-2019-6493, 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-2019-6493 being actively exploited in the wild?
It is possible that CVE-2019-6493 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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