CVE-2020-2031— PAN-OS: Integer underflow in the management interface
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I. Basic Information for CVE-2020-2031
Vulnerability Information
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Vulnerability Title
PAN-OS: Integer underflow in the management interface
Source: NVD (National Vulnerability Database)
Vulnerability Description
An integer underflow vulnerability in the dnsproxyd component of the PAN-OS management interface allows authenticated administrators to issue a command from the command line interface that causes the component to stop responding. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 9.1 versions earlier than PAN-OS 9.1.3. This issue does not impact PAN-OS 8.1, PAN-OS 9.0, or Prisma Access services.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Palo Alto Networks PAN-OS dnsproxyd 数字错误漏洞
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。dnsproxyd是其中的一个DNS（域名系统）代理服务器。 Palo Alto Networks PAN-OS 9.1.3之前的9.1版本中的dnsproxyd组件存在数字错误漏洞。攻击者可利用该漏洞造成拒绝服务。
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 | 9.0.* | - |
II. Public POCs for CVE-2020-2031
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.paloaltonetworks.com/CVE-2020-2031x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-2031
Same Patch Batch · Palo Alto Networks · 2020-07-08 · 4 CVEs total
| CVE-2020-2034 | 8.1 HIGH | PAN-OS: OS command injection vulnerability in GlobalProtect portal |
| CVE-2020-2030 | 7.2 HIGH | PAN-OS: OS command injection vulnerability in the management interface |
| CVE-2020-1982 | 4.8 MEDIUM | PAN-OS: TLS 1.0 usage for certain communications with Palo Alto Networks cloud delivered s |
IV. Related Vulnerabilities
Same product: PAN-OS
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PAN-OS: Denial of Service (DoS) in GlobalProtect - CVE-2024-9471
PAN-OS: Privilege Escalation (PE) Vulnerability in XML API - CVE-2024-8691
PAN-OS: User Impersonation in GlobalProtect Portal
Same vendor: Palo Alto Networks
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V. Comments for CVE-2020-2031
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