CVE-2020-8875
Quick assessment
Affected
Parallels Desktop
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.
Corel Parallels Desktop是加拿大Corel公司的一套适用于macOS平台的虚拟机软件。IOCTL handler是其中的一个专用于设备输入输出操作的系统调用处理程序。 Corel Parallels Desktop 15.1.2-47123版本中的IOCTL handler中存在缓冲区错误漏洞。攻击者可利用该漏洞提升权限，执行任意代码。
Possible ATT&CK Techniques 2 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-8875
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.2-47123. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the IOCTL handler. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-10028.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对数组索引的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Corel Parallels Desktop IOCTL handler 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Corel Parallels Desktop是加拿大Corel公司的一套适用于macOS平台的虚拟机软件。IOCTL handler是其中的一个专用于设备输入输出操作的系统调用处理程序。 Corel Parallels Desktop 15.1.2-47123版本中的IOCTL handler中存在缓冲区错误漏洞。攻击者可利用该漏洞提升权限，执行任意代码。
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
II. Public POCs for CVE-2020-8875
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Vendor Advisories for CVE-2020-8875 (1)
-
https://www.zerodayinitiative.com/advisories/ZDI-20-296/ x_refsource_MISC
Same Patch Batch · Parallels · 2020-03-23 · 6 CVEs total
| CVE-2020-8876 | Corel Parallels Desktop IOCTL handler 缓冲区错误漏洞 | |
| CVE-2020-8873 | Corel Parallels Desktop xHCI组件竞争条件问题漏洞 | |
| CVE-2020-8874 | Corel Parallels Desktop xHCI组件输入验证错误漏洞 | |
| CVE-2020-8871 | Corel Parallels Desktop VGA虚拟设备缓冲区错误漏洞 | |
| CVE-2020-8872 | Corel Parallels Desktop xHCI组件缓冲区错误漏洞 |
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V. Comments for CVE-2020-8875
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