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CVE-2023-34298— Pulse Secure Client SetupService Directory Traversal Local Privilege Escalation Vulnerability

Quick assessment

Affected
Pulse Secure Client
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.

Pulse Secure Client是美国Pulse Secure公司的一套用于访问Pulse Secure网关的终端设备的客户端软件。 Pulse Secure Client 存在安全漏洞，该漏洞源于在文件操作中使用用户提供的路径之前未对其进行正确验证，允许本地攻击者在受影响的安装中提升权限。

AI Predicted 7.8 Difficulty: Easy EPSS 0.97% · P59
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I. Basic Information for CVE-2023-34298

Vulnerability Information
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Vulnerability Title
Pulse Secure Client SetupService Directory Traversal Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Pulse Secure Client SetupService Directory Traversal Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Pulse Secure Client. 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 SetupService. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service. Was ZDI-CAN-17687.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Pulse Secure Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pulse Secure Client是美国Pulse Secure公司的一套用于访问Pulse Secure网关的终端设备的客户端软件。 Pulse Secure Client 存在安全漏洞，该漏洞源于在文件操作中使用用户提供的路径之前未对其进行正确验证，允许本地攻击者在受影响的安装中提升权限。
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
Pulse Secure Client 9.1r15 -

II. Public POCs for CVE-2023-34298

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III. Intelligence Information for CVE-2023-34298

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Vendor Advisories for CVE-2023-34298 (1)

IV. Related Vulnerabilities

Same product: Client
Same vendor: Pulse Secure
Same weakness: CWE-22

V. Comments for CVE-2023-34298

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