CVE-2020-10234

Public Exploit

Description

The AscRegistryFilter.sys kernel driver in IObit Advanced SystemCare 13.2 allows an unprivileged user to send an IOCTL to the device driver. If the user provides a NULL entry for the dwIoControlCode parameter, a kernel panic (aka BSOD) follows. The IOCTL codes can be found in the dispatch function: 0x8001E000, 0x8001E004, 0x8001E008, 0x8001E00C, 0x8001E010, 0x8001E014, 0x8001E020, 0x8001E024, 0x8001E040, 0x8001E044, and 0x8001E048. \DosDevices\AscRegistryFilter and \Device\AscRegistryFilter are affected.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.51%

Vendor Advisory iobit.com

Affected: n/a n/a

References

Link	Tags
https://www.iobit.com/en/advancedsystemcarefree.php	product vendor advisory
https://github.com/FULLSHADE/Kernel-exploits	third party advisory
https://github.com/FULLSHADE/Kernel-exploits/tree/master/AscRegistryFilter.sys	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-10234?: CVE-2020-10234 has been scored as a medium severity vulnerability.
How to fix CVE-2020-10234?: To fix CVE-2020-10234, 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-2020-10234 being actively exploited in the wild?: It is possible that CVE-2020-10234 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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