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CVE-2020-2042— PAN-OS: Buffer overflow in the management web interface

Quick assessment

Affected
Palo Alto Networks PAN-OS
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.

Palo Alto Networks PAN-OS 存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下是受影响的产品及版本：PAN-OS 10.0.1之前PAN-OS 10.0版本

CVSS 7.2 · High EPSS 2.30% · P83

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-2042

Vulnerability Information
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Vulnerability Title
PAN-OS: Buffer overflow in the management web interface
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow vulnerability in the PAN-OS management web interface allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges. This issue impacts only PAN-OS 10.0 versions earlier than PAN-OS 10.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks PAN-OS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks PAN-OS 存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下是受影响的产品及版本：PAN-OS 10.0.1之前PAN-OS 10.0版本
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
Palo Alto Networks PAN-OS 9.1.* -

II. Public POCs for CVE-2020-2042

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III. Intelligence Information for CVE-2020-2042

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Vendor Advisories for CVE-2020-2042 (1)

Same Patch Batch · Palo Alto Networks · 2020-09-09 · 9 CVEs total

CVE-2020-2040 9.8 CRITICAL PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enable
CVE-2020-2036 8.8 HIGH PAN-OS: Reflected Cross-Site Scripting (XSS) vulnerability in management web interface
CVE-2020-2041 7.5 HIGH PAN-OS: Management web interface denial-of-service (DoS)
CVE-2020-2037 7.2 HIGH PAN-OS: OS command injection vulnerability in the management web interface
CVE-2020-2038 7.2 HIGH PAN-OS: OS command injection vulnerability in the management web interface
CVE-2020-2039 5.3 MEDIUM PAN-OS: Management web interface denial-of-service (DoS) through unauthenticated file uplo
CVE-2020-2043 3.3 LOW PAN-OS: Passwords may be logged in clear text when using after-change-detail custom syslog
CVE-2020-2044 3.3 LOW PAN-OS: Passwords may be logged in clear text while storing operational command (op comman

IV. Related Vulnerabilities

Same product: PAN-OS
Same vendor: Palo Alto Networks
Same weakness: CWE-121

V. Comments for CVE-2020-2042

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