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CVE-2020-1990— PAN-OS: Buffer overflow in the management server

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是美国Palo Alto Networks公司的一套为其防火墙设备开发的操作系统。 Palo Alto Networks PAN-OS 8.1.13之前的8.1版本和9.0.7之前的9.0版本中的管理服务器组件存在缓冲区错误漏洞，该漏洞源于不正确的边界检查。远程攻击者可利用该漏洞上传损坏的PAN OS配置，并可能以root权限在系统上执行任意代码。

CVSS 7.2 · High EPSS 2.13% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-1990

Vulnerability Information
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Vulnerability Title
PAN-OS: Buffer overflow in the management server
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows an authenticated user to upload a corrupted PAN-OS configuration and potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0 versions before 9.0.7. This issue does not affect PAN-OS 7.1.
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是美国Palo Alto Networks公司的一套为其防火墙设备开发的操作系统。 Palo Alto Networks PAN-OS 8.1.13之前的8.1版本和9.0.7之前的9.0版本中的管理服务器组件存在缓冲区错误漏洞，该漏洞源于不正确的边界检查。远程攻击者可利用该漏洞上传损坏的PAN OS配置，并可能以root权限在系统上执行任意代码。
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
Palo Alto Networks PAN-OS 7.1.* -

II. Public POCs for CVE-2020-1990

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III. Intelligence Information for CVE-2020-1990

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Vendor Advisories for CVE-2020-1990 (1)

Same Patch Batch · Palo Alto Networks · 2020-04-08 · 7 CVEs total

CVE-2020-1992 8.1 HIGH PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege esca
CVE-2020-1991 7.8 HIGH Traps: Insecure temporary file vulnerability may allow privilege escalation on Windows
CVE-2020-1989 7.0 HIGH Global Protect Agent: Incorrect privilege assignment allows local privilege escalation
CVE-2020-1978 5.8 MEDIUM VM-Series on Microsoft Azure: Inadvertent collection of credentials in Tech support files
CVE-2020-1988 4.2 MEDIUM Global Protect Agent: Local privilege escalation due to an unquoted search path vulnerabil
CVE-2020-1987 3.9 LOW Global Protect Agent: VPN cookie local information disclosure

IV. Related Vulnerabilities

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

V. Comments for CVE-2020-1990

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