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CVE-2023-27323— Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

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是加拿大科亿尔数码科技（Corel）公司的一套适用于macOS平台的虚拟机软件。 Corel Parallels Desktop存在安全漏洞，该漏洞源于更新程序服务中存在特定缺陷，通过创建符号链接，可以滥用该服务来移动任意文件，攻击者利用该漏洞可以提升权限并执行任意代码。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.20% · P9
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I. Basic Information for CVE-2023-27323

Vulnerability Information
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Vulnerability Title
Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute low-privileged code on the target host system in order to exploit this vulnerability. The specific flaw exists within the Updater service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. . Was ZDI-CAN-18150.
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 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Corel Parallels Desktop是加拿大科亿尔数码科技（Corel）公司的一套适用于macOS平台的虚拟机软件。 Corel Parallels Desktop存在安全漏洞，该漏洞源于更新程序服务中存在特定缺陷，通过创建符号链接，可以滥用该服务来移动任意文件，攻击者利用该漏洞可以提升权限并执行任意代码。
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

Vendor Product Affected Versions CPE Subscribe
Parallels Desktop 18.0.0 (53049) -

II. Public POCs for CVE-2023-27323

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III. Intelligence Information for CVE-2023-27323

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Vendor Advisories for CVE-2023-27323 (1)

Other References for CVE-2023-27323 (1)

Same Patch Batch · Parallels · 2024-05-03 · 10 CVEs total

CVE-2023-27328 Parallels Desktop Toolgate XML Injection Local Privilege Escalation Vulnerability
CVE-2023-27324 Parallels Desktop Updater Improper Initialization Local Privilege Escalation Vulnerability
CVE-2023-27326 Parallels Desktop Toolgate Directory Traversal Local Privilege Escalation Vulnerability
CVE-2023-27327 Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerabil
CVE-2023-27325 Parallels Desktop Updater Improper Initialization Local Privilege Escalation Vulnerability
CVE-2023-27322 Parallels Desktop Service Improper Initialization Local Privilege Escalation Vulnerability
CVE-2023-50228 Parallels Desktop Updater Improper Verification of Cryptographic Signature Local Privilege
CVE-2023-50227 Parallels Desktop virtio-gpu Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2023-50226 Parallels Desktop Updater Link Following Local Privilege Escalation Vulnerability

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-27323

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