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CVE-2019-1808— Cisco MDS 9700 Series Multilayer Directors and Nexus 7000/7700 Series Switches Software Patch Signature Verification 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Image Signature Verification功能存在数据伪造问题漏洞。该漏洞源于网络系统或产品未充分验证数据的来源或真实性。攻击者可利用伪造的数据进行攻击。以下产品及版本受到影响：Cisco MDS 9700 Series Multilayer Directors；Nexus 7000 Series Switches；Nexus 7700

AI Predicted 7.8 Difficulty: Trivial EPSS 0.18% · P8
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I. Basic Information for CVE-2019-1808

Vulnerability Information
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Vulnerability Title
Cisco MDS 9700 Series Multilayer Directors and Nexus 7000/7700 Series Switches Software Patch Signature Verification Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by loading an unsigned software patch on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco NX-OS Software 数据伪造问题漏洞
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Image Signature Verification功能存在数据伪造问题漏洞。该漏洞源于网络系统或产品未充分验证数据的来源或真实性。攻击者可利用伪造的数据进行攻击。以下产品及版本受到影响：Cisco MDS 9700 Series Multilayer Directors；Nexus 7000 Series Switches；Nexus 7700
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 ~ 8.3(1) -

II. Public POCs for CVE-2019-1808

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III. Intelligence Information for CVE-2019-1808

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Vendor Advisories for CVE-2019-1808 (2)

Same Patch Batch · Cisco · 2019-05-15 · 36 CVEs total

CVE-2019-1730 Cisco NX-OS Software Bash Bypass Guest Shell 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-2019-1770 Cisco NX-OS Software 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-2019-1775 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-2019-1783 Cisco 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 → →

IV. Related Vulnerabilities

Same product: Cisco NX-OS Software
Same vendor: Cisco
Same weakness: CWE-347

V. Comments for CVE-2019-1808

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