cisco business_220-8t-e-2g_firmware 未进行输入大小检查的缓冲区拷贝（传统缓冲区溢出）
CVE编号
CVE-2021-34775利用情况
暂无补丁情况
N/A披露时间
2021-10-07漏洞描述
Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database corruption on the affected device For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent). Cisco has released firmware updates that address these vulnerabilities.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
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|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-16p-2g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-16t-2g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-24fp-4g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-24fp-4x_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-24p-4g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-24p-4x_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-24t-4g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-24t-4x_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-48fp-4x_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-48p-4g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-48p-4x_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-48t-4g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-48t-4x_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-8fp-e-2g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-8p-e-2g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | business_220-8t-e-2g_firmware | * | Up to (including) 1.2.0.6 | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-16p-2g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-16t-2g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-24fp-4g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-24fp-4x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-24p-4g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-24p-4x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-24t-4g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-24t-4x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-48fp-4x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-48p-4g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-48p-4x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-48t-4g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-48t-4x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-8fp-e-2g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-8p-e-2g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | business_220-8t-e-2g | - | - | |||||
- 攻击路径 相邻
- 攻击复杂度 低
- 权限要求 无
- 影响范围 未更改
- 用户交互 无
- 可用性 无
- 保密性 无
- 完整性 低
| CWE-ID | 漏洞类型 |
| CWE-120 | 未进行输入大小检查的缓冲区拷贝（传统缓冲区溢出） |
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