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CVE-2019-1594— Cisco NX-OS Software 输入验证错误漏洞

一分钟漏洞结论

影响对象
Cisco Nexus 1000V Switch for VMware vSphere
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Cisco Nexus 3000 Series Switches等都是美国思科（Cisco）公司的产品。Cisco Nexus 3000 Series Switches是一款3000系列交换机。Cisco Nexus 3500 Platform Switches是一款3500系列平台交换机。Cisco Nexus 9000 Series Switches是一款9000系列交换机。Cisco NX-OS Software是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

AI 预测 5.9 利用难度: 中等 EPSS 0.80% · P55

可能的 ATT&CK 技术 1 AI

T1498 · Network Denial of Service
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一、 漏洞 CVE-2019-1594 基础信息

漏洞信息
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Vulnerability Title
Cisco NX-OS Software 802.1X Extensible Authentication Protocol over LAN Denial of Service Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the 802.1X implementation for Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incomplete input validation of Extensible Authentication Protocol over LAN (EAPOL) frames. An attacker could exploit this vulnerability by sending a crafted EAPOL frame to an interface on the targeted device. A successful exploit could allow the attacker to cause the Layer 2 (L2) forwarding process to restart multiple times, leading to a system-level restart of the device and a DoS condition. Note: This vulnerability affects only NX-OS devices configured with 802.1X functionality. Cisco Nexus 1000V Switch for VMware vSphere devices are affected in versions prior to 5.2(1)SV3(1.4b). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 2000, 5500, 5600, and 6000 Series Switches are affected in versions prior to 7.3(5)N1(1) and 7.1(5)N1(1b). Nexus 7000 and 7700 Series Switches are affected in versions prior to 8.2(3). Nexus 9000 Series Fabric Switches in ACI Mode are affected in versions prior to 13.2(1l). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4).
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
来源: CVE Program / CVE List V5
Vulnerability Title
Cisco NX-OS Software 输入验证错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Nexus 3000 Series Switches等都是美国思科（Cisco）公司的产品。Cisco Nexus 3000 Series Switches是一款3000系列交换机。Cisco Nexus 3500 Platform Switches是一款3500系列平台交换机。Cisco Nexus 9000 Series Switches是一款9000系列交换机。Cisco NX-OS Software是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
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
Cisco Nexus 1000V Switch for VMware vSphere unspecified ~ 5.2(1)SV3(1.4b) -
Cisco Nexus 3000 Series Switches unspecified ~ 7.0(3)I7(4) -
Cisco Nexus 3500 Platform Switches unspecified ~ 7.0(3)I7(4) -
Cisco Nexus 2000, 5500, 5600, and 6000 Series Switches unspecified ~ 7.3(5)N1(1) -
Cisco Nexus 7000 and 7700 Series Switches unspecified ~ 8.2(3) -
Cisco Nexus 9000 Series Fabric Switches in ACI Mode unspecified ~ 13.2(1l) -
Cisco Nexus 9000 Series Switches in Standalone NX-OS Mode unspecified ~ 7.0(3)I7(4) -

二、漏洞 CVE-2019-1594 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2019-1594 的情报信息

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CVE-2019-1594 厂商安全公告 (2)

同批安全公告 · Cisco · 2019-03-06 · 共 6 条

CVE-2019-1588 Cisco Nexus 9000 Series Fabric Switches 输入验证错误漏洞
CVE-2019-1591 Cisco Nexus 9000 Series ACI Mode Switch Software 命令注入漏洞
CVE-2019-1593 Cisco NX-OS Software 权限许可和访问控制问题漏洞
CVE-2019-1595 Cisco Nexus 6000 Series Switches和Cisco Nexus 5600 Platform Switches 安全漏洞
CVE-2019-1585 Cisco Nexus 9000 Series ACI Mode Switch Software 配置错误漏洞

IV. Related Vulnerabilities

Same vendor: Cisco
Same weakness: CWE-264

V. Comments for CVE-2019-1594

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