CVE-2021-1588— Cisco NX-OS Software 缓冲区错误漏洞
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一、 漏洞 CVE-2021-1588 基础信息
漏洞信息
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Vulnerability Title
Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation when an affected device is processing an MPLS echo-request or echo-reply packet. An attacker could exploit this vulnerability by sending malicious MPLS echo-request or echo-reply packets to an interface that is enabled for MPLS forwarding on the affected device. A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
来源: CVE Program / CVE List V5
Vulnerability Title
Cisco NX-OS Software 缓冲区错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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 存在安全漏洞，攻击者利用该漏洞导致受影响设备拒绝服务。
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 | Cisco NX-OS Software | n/a | - |
二、漏洞 CVE-2021-1588 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC高级
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CVE-2021-1588 厂商安全公告 (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mpls-oam-dos-sGO9x5GMvendor-advisoryx_refsource_CISCO
同批安全公告 · Cisco · 2021-08-25 · 共 15 条
| CVE-2021-1577 | 9.1 CRITICAL | Cisco Application Policy Infrastructure Controller 安全漏洞 |
| CVE-2021-1578 | 8.8 HIGH | Cisco Application Policy Infrastructure Controller 访问控制错误漏洞 |
| CVE-2021-1587 | 8.6 HIGH | Cisco NX-OS Software 输入验证错误漏洞 |
| CVE-2021-1586 | 8.6 HIGH | Cisco Nexus 9000 Series Fabric Switches 数据伪造问题漏洞 |
| CVE-2021-1523 | 8.6 HIGH | Cisco Nexus 9000 Series Fabric Switches 输入验证错误漏洞 |
| CVE-2021-1579 | 8.1 HIGH | Cisco Application Policy Infrastructure Controller 授权问题漏洞 |
| CVE-2021-1581 | 6.5 MEDIUM | Cisco Application Policy Infrastructure Controller 安全漏洞 |
| CVE-2021-1580 | 6.5 MEDIUM | Cisco Application Policy Infrastructure Controller 命令注入漏洞 |
| CVE-2021-1584 | 6.0 MEDIUM | Cisco Nexus 9000 Series Fabric Switches 操作系统命令注入漏洞 |
| CVE-2021-1591 | 5.8 MEDIUM | Cisco Nexus 9500 Series Switches 安全漏洞 |
| CVE-2021-1582 | 5.4 MEDIUM | Cisco Application Policy Infrastructure Controller 跨站脚本漏洞 |
| CVE-2021-1590 | 5.3 MEDIUM | Cisco NX-OS Software 安全漏洞 |
| CVE-2021-1583 | 4.4 MEDIUM | Cisco Nexus 9000 Series Fabric Switches 安全漏洞 |
| CVE-2021-1592 | 4.3 MEDIUM | Cisco UCS Manager 资源管理错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-1588
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