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CVE-2023-41970— Repair App local code execution with arbitrary privileges

Quick assessment

Affected
Zscaler Client Connector
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.

Zscaler Client Connector是zscaler的一个应用软件。一种安装在设备上的应用程序，可确保互联网流量和对组织内部应用程序的访问是安全的并符合组织的政策，即使不在公司网络时。 Zscaler Client Connector 4.1.0.62之前版本存在安全漏洞，该漏洞源于存在完整性检查值验证不正确漏洞，可能允许本地执行代码。

CVSS 6.0 · Medium EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-41970

Vulnerability Information
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Vulnerability Title
Repair App local code execution with arbitrary privileges
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Validation of Integrity Check Value vulnerability in Zscaler Client Connector on Windows during the Repair App functionality may allow Local Execution of Code.This issue affects Client Connector on Windows: before 4.1.0.62.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zscaler Client Connector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zscaler Client Connector是zscaler的一个应用软件。一种安装在设备上的应用程序，可确保互联网流量和对组织内部应用程序的访问是安全的并符合组织的政策，即使不在公司网络时。 Zscaler Client Connector 4.1.0.62之前版本存在安全漏洞，该漏洞源于存在完整性检查值验证不正确漏洞，可能允许本地执行代码。
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
Zscaler Client Connector 0 ~ 4.1.0.62 -

II. Public POCs for CVE-2023-41970

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III. Intelligence Information for CVE-2023-41970

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Other References for CVE-2023-41970 (1)

Same Patch Batch · Zscaler · 2024-05-02 · 6 CVEs total

CVE-2024-23459 7.1 HIGH Multiple Arbitrary Creates/Overwrites by link following
CVE-2023-28798 6.5 MEDIUM Out-of-bounds write to heap in pacparser
CVE-2023-41971 5.3 MEDIUM Windows ZCC Upgrade DoS And Privilege Escalation Through RPC Control
CVE-2024-23461 4.2 MEDIUM ZCC macOS Upgrade ZIP Bomb DoS
CVE-2024-23462 3.3 LOW ZCC Mac validinstaller file integrity check missing

IV. Related Vulnerabilities

Same product: Client Connector
Same vendor: Zscaler
Same weakness: CWE-354

V. Comments for CVE-2023-41970

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