Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-27327— Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability

Quick assessment

Affected
Parallels Desktop
Exploitation
Public or AI PoC available; prioritize validation
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 Service存在安全漏洞，该漏洞源于Toolgate组件中存在本地权限升级漏洞。

AI Predicted 6.5 Difficulty: Hard EPSS 0.40% · P32
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-27327

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Parallels Desktop Toolgate 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 high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate 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 arbitrary code in the context of the current user on the host system. Was ZDI-CAN-18964.
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 Service存在安全漏洞，该漏洞源于Toolgate组件中存在本地权限升级漏洞。
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 18.0.2 -

II. Public POCs for CVE-2023-27327

# POC Description Source Link Shenlong Link
1 Exploits for CVE-2023-27327 and CVE-2023-27328 https://github.com/kn32/parallels-plist-escape POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-27327

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-27327 (1)

Other References for CVE-2023-27327 (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-2023-27325 Parallels Desktop Updater Improper Initialization Local Privilege Escalation Vulnerability
CVE-2023-27323 Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerabili
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-2023-27327

No comments yet

Leave a comment