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CVE-2020-2027— PAN-OS: Buffer overflow in authd authentication response

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中的管理服务器的authd组件存在缓冲区错误漏洞。攻击者可利用该漏洞干扰系统进程并可能以root权限执行任意代码。以下产品及版本受到影响：PAN-OS 7.1版本（全部版本），8.0版本（全部版本），8.1.13之前的8.1版本，9.0.7之前的9.0版本。

CVSS 7.2 · High EPSS 2.13% · P80

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-2027

Vulnerability Information
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Vulnerability Title
PAN-OS: Buffer overflow in authd authentication response
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt system processes and potentially execute arbitrary code with root privileges. This issue affects: All versions of PAN-OS 7.1 and PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.13; PAN-OS 9.0 versions earlier than PAN-OS 9.0.7.
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中的管理服务器的authd组件存在缓冲区错误漏洞。攻击者可利用该漏洞干扰系统进程并可能以root权限执行任意代码。以下产品及版本受到影响：PAN-OS 7.1版本（全部版本），8.0版本（全部版本），8.1.13之前的8.1版本，9.0.7之前的9.0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 7.1.* -

II. Public POCs for CVE-2020-2027

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III. Intelligence Information for CVE-2020-2027

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Vendor Advisories for CVE-2020-2027 (1)

Same Patch Batch · Palo Alto Networks · 2020-06-10 · 5 CVEs total

CVE-2020-2028 7.2 HIGH PAN-OS: OS command injection vulnerability in FIPS-CC mode certificate verification
CVE-2020-2029 7.2 HIGH PAN-OS: OS command injection vulnerability in management interface certificate generator
CVE-2020-2032 7.0 HIGH GlobalProtect App: File race condition vulnerability leads to local privilege escalation d
CVE-2020-2033 5.3 MEDIUM GlobalProtect App: Missing certificate validation vulnerability can disclose pre-logon aut

IV. Related Vulnerabilities

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

V. Comments for CVE-2020-2027

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