CVE-2020-3220— Cisco 4300 Series Integrated Services Routers和Cisco Catalyst 9800-L Wireless Controllers IOS XE 数据伪造问题漏洞
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一、 漏洞 CVE-2020-3220 基础信息
漏洞信息
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Vulnerability Title
Cisco IOS XE Software IPsec VPN Denial of Service Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the hardware crypto driver of Cisco IOS XE Software for Cisco 4300 Series Integrated Services Routers and Cisco Catalyst 9800-L Wireless Controllers could allow an unauthenticated, remote attacker to disconnect legitimate IPsec VPN sessions to an affected device. The vulnerability is due to insufficient verification of authenticity of received Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by tampering with ESP cleartext values as a man-in-the-middle.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
来源: CVE Program / CVE List V5
Vulnerability Title
Cisco 4300 Series Integrated Services Routers和Cisco Catalyst 9800-L Wireless Controllers IOS XE 数据伪造问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco IOS XE是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco 4300 Series Integrated Services Routers和Cisco Catalyst 9800-L Wireless Controllers中的Cisco IOS XE IPsec VPN存在数据伪造问题漏洞，该漏洞源于程序未验证接收ESP数据包的真实性。远程攻击者可通过篡改ESP明文值利用该漏洞断开与设备的IPsec VPN会话。
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 IOS XE Software 16.4.1 | n/a | - |
二、漏洞 CVE-2020-3220 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2020-3220 厂商安全公告 (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-vpn-dos-edOmW28Zvendor-advisoryx_refsource_CISCO
同批安全公告 · Cisco · 2020-06-03 · 共 50 条
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IV. Related Vulnerabilities
V. Comments for CVE-2020-3220
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