cisco video_surveillance_7530pd_firmware 在移除最后引用时对内存的释放不恰当（内存泄露）
CVE编号
CVE-2021-1595利用情况
暂无补丁情况
N/A披露时间
2021-07-09漏洞描述
Multiple vulnerabilities in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Video Surveillance 7000 Series IP Cameras could allow an unauthenticated, adjacent attacker to cause a memory leak, which could lead to a denial of service (DoS) condition on an affected device. These vulnerabilities are due to incorrect processing of certain LLDP packets at ingress time. An attacker could exploit these vulnerabilities by sending crafted LLDP packets to an affected device. A successful exploit could allow the attacker to cause the affected device to continuously consume memory, which could cause the device to crash and reload, resulting in a DoS condition. 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).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 |
|
|---|---|
| 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 | video_surveillance_7070_firmware | * | Up to (excluding) 2.12.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | video_surveillance_7530pd_firmware | * | Up to (excluding) 2.12.4 | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | video_surveillance_7070 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | video_surveillance_7530pd | - | - | |||||
- 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 高
- 保密性 无
- 完整性 无
| CWE-ID | 漏洞类型 |
| CWE-401 | 在移除最后引用时对内存的释放不恰当（内存泄露） |
Exp相关链接
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