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CVE-2020-8873

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。 Corel Parallels Desktop 15.1.2-47123版本中的xHCI组件存在竞争条件问题漏洞。攻击者可利用该漏洞提升权限并执行代码。

AI Predicted 5.9 Difficulty: Hard EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-8873

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 high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the xHCI component. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-10031.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Corel Parallels Desktop xHCI组件竞争条件问题漏洞
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。 Corel Parallels Desktop 15.1.2-47123版本中的xHCI组件存在竞争条件问题漏洞。攻击者可利用该漏洞提升权限并执行代码。
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

Vendor Product Affected Versions CPE Subscribe
Parallels Desktop 15.1.2-47123 -

II. Public POCs for CVE-2020-8873

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III. Intelligence Information for CVE-2020-8873

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Vendor Advisories for CVE-2020-8873 (1)

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-2020-8874 Corel Parallels Desktop xHCI组件输入验证错误漏洞
CVE-2020-8875 Corel Parallels Desktop IOCTL handler 缓冲区错误漏洞
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

IV. Related Vulnerabilities

Same product: Desktop
Same vendor: Parallels
Same weakness: CWE-367

V. Comments for CVE-2020-8873

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