Information Disclosure in IOBit Advanced SystemCare Driver
CVE-2021-21791

6.5MEDIUM

Key Information:

Vendor

Iobit

Status
Iobit
Vendor
CVE Published:
5 August 2021

What is CVE-2021-21791?

An information disclosure vulnerability exists in the way the IOBit Advanced SystemCare driver processes Privileged I/O read requests. This vulnerability can be exploited by sending a specially crafted I/O request packet (IRP) that may lead to unauthorized access to privileged data within the driver context. As a result, it potentially exposes sensitive information from the kernel, allowing unprivileged users to gain access to critical device data through the IN instruction, which reads data from an I/O device. Proper security measures and patches are essential to mitigate the risks associated with this vulnerability.

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Affected Version(s)

IOBit IOBit Advanced SystemCare Ultimate 14.2.0.220

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

CVSS V3.0

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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