CVE-2019-16023— Cisco IOS XR 资源管理错误漏洞
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一、 漏洞 CVE-2019-16023 基础信息
漏洞信息
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Vulnerability Title
Cisco IOS XR Software BGP EVPN Denial of Service Vulnerabilities
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to incorrect processing of BGP update messages that contain crafted EVPN attributes. An attacker could exploit these vulnerabilities by sending BGP EVPN update messages with malformed attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit these vulnerabilities, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
资源管理错误
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco IOS XR 资源管理错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco IOS XR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 IOS XR 6.6.1之后版本中的Border Gateway Protocol(边界网关协议)Ethernet VPN (EVPN)存在资源管理错误漏洞。攻击者可借助特制的BGP EVPN更新消息利用该漏洞造成拒绝服务。
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 XR Software | n/a | - |
二、漏洞 CVE-2019-16023 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2019-16023 厂商安全公告 (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-ios-xr-evpnvendor-advisoryx_refsource_CISCO
同批安全公告 · Cisco · 2020-09-23 · 共 34 条
| CVE-2020-3569 | 8.6 HIGH | Cisco IOS XR 资源管理错误漏洞 |
| CVE-2019-16021 | Cisco IOS XR 资源管理错误漏洞 | |
| CVE-2019-16019 | Cisco IOS XR 资源管理错误漏洞 | |
| CVE-2019-16025 | Cisco Emergency Responder 跨站脚本漏洞 | |
| CVE-2019-16028 | Cisco Firepower Management Center 授权问题漏洞 | |
| CVE-2019-1736 | Cisco UCS C-Series Rack Servers 数据伪造问题漏洞 | |
| CVE-2019-1888 | Cisco Unified Contact Center Express 代码问题漏洞 | |
| CVE-2019-1947 | Cisco Email Security Appliance 和 AsyncOS Software 输入验证错误漏洞 | |
| CVE-2019-1983 | Cisco Content Security Management Appliance和Cisco Email Security Appliance 输入验证错误漏洞 | |
| CVE-2020-3116 | 多款Cisco产品输入验证错误漏洞 | |
| CVE-2020-3117 | Cisco Web Security Appliance和Content Security Management Appliance AsyncOS 注入漏洞 | |
| CVE-2020-3124 | Cisco Hosted Collaboration Mediation Fulfillment 跨站请求伪造漏洞 | |
| CVE-2020-3130 | Cisco Unity Connection 输入验证错误漏洞 | |
| CVE-2020-3133 | Cisco Email Security Appliance AsyncOS Software 输入验证错误漏洞 | |
| CVE-2020-3135 | Cisco Unified Communications Manager 跨站请求伪造漏洞 | |
| CVE-2020-3137 | Cisco Email Security Appliance AsyncOS Software 跨站脚本漏洞 | |
| CVE-2020-3143 | Cisco TelePresence CE、Cisco TelePresence Codec和Cisco RoomOS 路径遍历漏洞 | |
| CVE-2019-15283 | Cisco Webex Network Recording Player和Cisco Webex Player 缓冲区错误漏洞 | |
| CVE-2019-16017 | Cisco Unified Customer Voice Portal Software 权限许可和访问控制问题漏洞 | |
| CVE-2019-16009 | Cisco IOS和IOS XE 跨站请求伪造漏洞 |
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IV. Related Vulnerabilities
V. Comments for CVE-2019-16023
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