CVE-2021-40116— Cisco Products Snort 安全漏洞
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一、 漏洞 CVE-2021-40116 基础信息
漏洞信息
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Vulnerability Title
Multiple Cisco Products Snort Rule Denial of Service Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Multiple Cisco products are affected by a vulnerability in Snort rules that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.The vulnerability is due to improper handling of the Block with Reset or Interactive Block with Reset actions if a rule is configured without proper constraints. An attacker could exploit this vulnerability by sending a crafted IP packet to the affected device. A successful exploit could allow the attacker to cause through traffic to be dropped. Note: Only products with Snort3 configured and either a rule with Block with Reset or Interactive Block with Reset actions configured are vulnerable. Products configured with Snort2 are not vulnerable.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
非预期数据类型处理不恰当
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco Products Snort 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
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 Rule 存在安全漏洞，该漏洞源于在没有适当约束的情况下配置规则时，对Block with Reset或Interactive Block with Reset操作的不当处理造成的。攻击者可以通过向受影响的设备发送精心设计的 IP 数据包来利用此漏洞。成功的利用可能允许攻击者导致直通流量被丢弃。
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 Firepower Threat Defense Software | n/a | - |
二、漏洞 CVE-2021-40116 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2021-40116 厂商安全公告 (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-dos-RywH7ezMvendor-advisoryx_refsource_CISCO
同批安全公告 · Cisco · 2021-10-27 · 共 20 条
| CVE-2021-40117 | 8.6 HIGH | Cisco Firepower Threat Defense 资源管理错误漏洞 |
| CVE-2021-34781 | 8.6 HIGH | Cisco Firepower Threat Defense 缓冲区错误漏洞 |
| CVE-2021-34783 | 8.6 HIGH | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliances Software 输入验证错误漏洞 |
| CVE-2021-34792 | 8.6 HIGH | Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Softwa |
| CVE-2021-34793 | 8.6 HIGH | Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Softwa |
| CVE-2021-40118 | 8.6 HIGH | Cisco Adaptive Security Appliances Software和Cisco Firepower Threat Defense 缓冲区错误漏洞 |
| CVE-2021-34762 | 8.1 HIGH | Cisco Firepower Management Center 路径遍历漏洞 |
| CVE-2021-40114 | 6.8 MEDIUM | Cisco Products Snort 安全漏洞 |
| CVE-2021-34756 | 6.7 MEDIUM | Cisco Firepower Threat Defense 操作系统命令注入漏洞 |
| CVE-2021-34755 | 6.7 MEDIUM | Cisco Firepower Threat Defense 操作系统命令注入漏洞 |
| CVE-2021-34754 | 5.8 MEDIUM | Cisco Firepower Threat Defense 访问控制错误漏洞 |
| CVE-2021-34794 | 5.3 MEDIUM | Cisco Firepower Threat Defense 安全漏洞 |
| CVE-2021-34787 | 5.3 MEDIUM | Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Softwa |
| CVE-2021-40125 | 5.3 MEDIUM | Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Softwa |
| CVE-2021-34764 | 4.8 MEDIUM | Cisco Firepower Management Center 输入验证错误漏洞 |
| CVE-2021-34763 | 4.8 MEDIUM | Cisco Firepower Management Center 跨站脚本漏洞 |
| CVE-2021-34791 | 4.7 MEDIUM | Cisco Firepower Threat Defense（FTD）和Cisco Adaptive Security Appliances Software（ASA Softwa |
| CVE-2021-34790 | 4.7 MEDIUM | Cisco Firepower Threat Defense和Cisco Adaptive Security Appliances Software 输入验证错误漏洞 |
| CVE-2021-34761 | 4.4 MEDIUM | Cisco Firepower Threat Defense 输入验证错误漏洞 |
IV. Related Vulnerabilities
Same product: Cisco Firepower Threat Defense Software
Same vendor: Cisco
V. Comments for CVE-2021-40116
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