CVE-2021-41285
First published: Mon Oct 04 2021(Updated: )
Ballistix MOD Utility through 2.0.2.5 is vulnerable to privilege escalation in the MODAPI.sys driver component. The vulnerability is triggered by sending a specific IOCTL request that allows low-privileged users to directly interact with physical memory via the MmMapIoSpace function call (mapping physical memory into a virtual address space). Attackers could exploit this issue to achieve local privilege escalation to NT AUTHORITY\SYSTEM.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Micron Ballistix Memory Overview Display Utility | <=2.0.2.5 | |
| <=2.0.2.5 |
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Reference Links
- https://github.com/VoidSec/Exploit-Development/blob/master/windows/x64/kernel/crucial_Ballistix_MOD_Utility_v.2.0.2.5/crucial_Ballistix_MOD_Utility_v.2.0.2.5_memory_dump_PoC.cpp
- https://voidsec.com/crucial-mod-utility-lpe-cve-2021-41285/
- https://www.bleepingcomputer.com/news/security/new-steelfox-malware-hijacks-windows-pcs-using-vulnerable-driver/
Frequently Asked Questions
What is the severity of CVE-2021-41285?
CVE-2021-41285 is considered a high severity vulnerability due to its potential for privilege escalation.
How do I fix CVE-2021-41285?
To fix CVE-2021-41285, update the Ballistix MOD Utility to a version beyond 2.0.2.5.
What type of vulnerability is CVE-2021-41285?
CVE-2021-41285 is a privilege escalation vulnerability affecting the MODAPI.sys driver.
Who is affected by CVE-2021-41285?
Users of the Micron Ballistix Memory Overview Display Utility version 2.0.2.5 or earlier are affected by CVE-2021-41285.
What can be the impact of exploiting CVE-2021-41285?
Exploitation of CVE-2021-41285 may allow an attacker to gain higher privileges and potentially compromise the system.
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