CVE-2021-21792
Quick assessment
Affected
n/a IObit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Iobit IOBit Advanced SystemCare是英国IOBit（Iobit）公司的一款系统管理实用程序。该程序主要用于扫描、修复和优化系统等。 IOBit Advanced SystemCare Ultimate 中存在安全漏洞，该漏洞源于产品对IO数据的读取未加限制，导致可驱动程序的上下文对IO请求包数据进行读取。攻击者可通过该漏洞获得内核信息。以下产品及版本受到影响：IOBit Advanced SystemCare Ultimate 14.2.0.220。
Possible ATT&CK Techniques 1 AI
T1056 · Input Capture
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I. Basic Information for CVE-2021-21792
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An information disclosure vulnerability exists in the the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O read requests. A specially crafted I/O request packet (IRP) can lead to privileged reads in the context of a driver which can result in sensitive information disclosure from the kernel. The IN instruction can read four bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: CVE Program / CVE List V5
Vulnerability Title
IOBit Advanced SystemCare 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Iobit IOBit Advanced SystemCare是英国IOBit（Iobit）公司的一款系统管理实用程序。该程序主要用于扫描、修复和优化系统等。 IOBit Advanced SystemCare Ultimate 中存在安全漏洞，该漏洞源于产品对IO数据的读取未加限制，导致可驱动程序的上下文对IO请求包数据进行读取。攻击者可通过该漏洞获得内核信息。以下产品及版本受到影响：IOBit Advanced SystemCare Ultimate 14.2.0.220。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | IObit | IOBit Advanced SystemCare Ultimate 14.2.0.220 | - |
|
II. Public POCs for CVE-2021-21792
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-21792 (1)
-
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255 x_refsource_MISC
Same Patch Batch · n/a · 2021-08-05 · 54 CVEs total
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| CVE-2021-3566 | FFmpeg 信息泄露漏洞 | |
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| CVE-2021-22927 | Citrix Application Delivery Controller授权问题漏洞 | |
| CVE-2021-22928 | Citrix Systems Citrix Virtual Apps and Desktops 安全漏洞 | |
| CVE-2021-21893 | Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞 | |
| CVE-2021-21831 | Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞 | |
| CVE-2021-21870 | Foxit PDF Reader和Foxit PDF Editor 资源管理错误漏洞 | |
| CVE-2021-21785 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21791 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21790 | IOBit Advanced SystemCare 安全漏洞 |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-21792
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