中危 Cisco Products Snort 安全漏洞（CVE-2021-40114）
CVE编号
CVE-2021-40114利用情况
暂无补丁情况
官方补丁披露时间
2021-10-28漏洞描述
Cisco Products Snort是美国思科（Cisco）公司的一个用于思科产品的Snort引擎。 Cisco Products Snort Memory 存在安全漏洞，该漏洞源于 Snort 检测引擎处理 ICMP 数据包时内存资源管理不当造成的。攻击者可以通过受影响的设备发送一系列 ICMP 数据包来利用此漏洞。成功的利用可能允许攻击者耗尽受影响设备上的资源，从而导致设备重新加载。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-dos-s2R7W9UU
参考链接 |
|
|---|---|
| https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... | |
| https://www.debian.org/security/2023/dsa-5354 |
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 | |||||||||
| 应用 | cisco | firepower_management_center | 2.9.14.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_management_center | 2.9.15 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_management_center | 2.9.16 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_management_center | 2.9.17 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_threat_defense | * | Up to (excluding) 6.4.0.12 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_threat_defense | * | From (including) 6.5.0 | Up to (excluding) 6.6.3 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_threat_defense | * | From (including) 6.7.0 | Up to (excluding) 6.7.0.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | unified_threat_defense | * | From (including) 16.12 | Up to (excluding) 16.12.6 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | unified_threat_defense | * | From (including) 17.3 | Up to (excluding) 17.3.4a | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | unified_threat_defense | * | From (including) 17.4 | Up to (excluding) 17.4.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | snort | snort | * | From (including) 2.0.0 | Up to (excluding) 2.9.18 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | snort | * | Up to (excluding) 2.9.18-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | snort | * | Up to (excluding) 2.9.18-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | snort | * | Up to (excluding) 2.9.18-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | snort | * | Up to (excluding) 2.9.18-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | snort | * | Up to (excluding) 2.9.18-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | snort | * | Up to (excluding) 2.9.20-0+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | snort | * | Up to (excluding) 2.9.20-0+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | snort | * | Up to (including) 2.9.15.1-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | snort | * | Up to (including) 2.9.7.0-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | snort | * | Up to (including) 2.9.15.1-6 | |||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
| 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） |
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