CVE-2019-1770— Cisco NX-OS Software Command Injection Vulnerability
Quick assessment
Affected
Cisco Cisco NX-OS Software
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.
Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software中的CLI存在操作系统命令注入漏洞。该漏洞源于外部输入数据构造操作系统可执行命令过程中，网络系统或产品未正确过滤其中的特殊字符、命令等。攻击者可利用该漏洞执行非法操作系统命令。以下产品及版本受到影响：Nexus 1000V Switch for Microsoft Hyper-V；Nexus 1000V Switch for VMware vSphere；
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I. Basic Information for CVE-2019-1770
Vulnerability Information
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Vulnerability Title
Cisco NX-OS Software Command Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker with administrator credentials to execute arbitrary commands on the underlying Linux operating system with the privilege level of root. The vulnerability is due to insufficient validation of arguments passed to a specific CLI command on the affected device. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco NX-OS Software 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software中的CLI存在操作系统命令注入漏洞。该漏洞源于外部输入数据构造操作系统可执行命令过程中，网络系统或产品未正确过滤其中的特殊字符、命令等。攻击者可利用该漏洞执行非法操作系统命令。以下产品及版本受到影响：Nexus 1000V Switch for Microsoft Hyper-V；Nexus 1000V Switch for VMware vSphere；
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 |
|---|---|---|---|---|
| Cisco | Cisco NX-OS Software | unspecified ~ n/a | - |
|
II. Public POCs for CVE-2019-1770
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-1770 (2)
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https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cmdinj-1770 vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2019-05-15 · 36 CVEs total
| CVE-2019-1730 | Cisco NX-OS Software Bash Bypass Guest Shell Vulnerability | |
| CVE-2019-1775 | Cisco NX-OS Software Command Injection Vulnerability | |
| CVE-2019-1776 | Cisco NX-OS Software Command Injection Vulnerability | |
| CVE-2019-1772 | Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerability | |
| CVE-2019-1773 | Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities | |
| CVE-2019-1769 | Cisco NX-OS Software Line Card Command Injection Vulnerability | |
| CVE-2019-1771 | Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerability | |
| CVE-2019-1735 | Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1735) | |
| CVE-2019-1767 | Cisco NX-OS Software Buffer Overflow and Command Injection Vulnerability | |
| CVE-2019-1774 | Cisco NX-OS Software Command Injection Vulnerability | |
| CVE-2019-1731 | Cisco NX-OS Software SSH Key Information Disclosure Vulnerability | |
| CVE-2019-1732 | Cisco NX-OS Software Remote Package Manager Command Injection Vulnerability | |
| CVE-2019-1733 | Cisco NX-OS Software NX-API Sandbox Cross-Site Scripting Vulnerability | |
| CVE-2019-1727 | Cisco NX-OS Software Python Parser Privilege Escalation Vulnerability | |
| CVE-2019-1728 | Cisco FXOS and NX-OS Software Secure Configuration Bypass Vulnerability | |
| CVE-2019-1729 | Cisco NX-OS Software Arbitrary File Overwrite Vulnerability | |
| CVE-2019-1726 | Cisco NX-OS Software CLI Bypass to Internal Service Vulnerability | |
| CVE-2019-1717 | Cisco Video Surveillance Manager Web-Based Management Interface Information Disclosure Vul | |
| CVE-2019-1795 | Cisco FXOS and NX-OS Software Command Injection Vulnerability | |
| CVE-2019-1811 | Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities |
Showing top 20 of 36 CVEs. View all on vendor page → →
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Same weakness: CWE-78
V. Comments for CVE-2019-1770
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