CVE-2019-1849— Cisco IOS XR Software 代码问题漏洞
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一、 漏洞 CVE-2019-1849 基础信息
漏洞信息
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Vulnerability Title
Cisco IOS XR Software BGP MPLS-Based EVPN Denial of Service Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A vulnerability in the Border Gateway Patrol (BGP) Multiprotocol Label Switching (MPLS)-based Ethernet VPN (EVPN) implementation of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to a logic error that occurs when the affected software processes specific EVPN routing information. An attacker could exploit this vulnerability by injecting malicious traffic patterns into the targeted EVPN network. A successful exploit could result in a crash of the l2vpn_mgr process on Provider Edge (PE) device members of the same EVPN instance (EVI). On each of the affected devices, a crash could lead to system instability and the inability to process or forward traffic through the device, resulting in a DoS condition that would require manual intervention to restore normal operating conditions.
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
对因果或异常条件的不恰当检查
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco IOS XR Software 代码问题漏洞
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中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。以下产品及版本受到影响：Cisco IOS XR 6.1.0版本至6.3.3版本（6.3.3版本已修复），6.4.2之前的6.4.X版本，6.5.2之前的6.5.X版本，6.6.1之前的6.6.X版本。
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 | unspecified ~ n/a | - |
二、漏洞 CVE-2019-1849 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2019-1849 厂商安全公告 (2)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-iosxr-evpn-dosvendor-advisoryx_refsource_CISCO
同批安全公告 · Cisco · 2019-05-16 · 共 18 条
| CVE-2019-1832 | Cisco Firepower Threat Defense 安全漏洞 | |
| CVE-2019-1825 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager SQL注入漏洞 | |
| CVE-2019-1824 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager SQL注入漏洞 | |
| CVE-2019-1823 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager 输入验证错误漏洞 | |
| CVE-2019-1822 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager 输入验证错误漏洞 | |
| CVE-2019-1821 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager 输入验证错误漏洞 | |
| CVE-2019-1820 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager 路径遍历漏洞 | |
| CVE-2019-1819 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager 路径遍历漏洞 | |
| CVE-2019-1818 | Cisco Prime Infrastructure Software和Cisco Evolved Programmable Network Manager 路径遍历漏洞 | |
| CVE-2019-1780 | Cisco NX-OS Software和Cisco FXOS Software 命令参数注入漏洞 | |
| CVE-2019-1860 | Cisco Unified Intelligence Center 安全漏洞 | |
| CVE-2019-1858 | Cisco FXOS Software和Cisco NX-OS Software 输入验证错误漏洞 | |
| CVE-2019-1853 | Cisco AnyConnect Secure Mobility Client for Linux HostScan组件缓冲区错误漏洞 | |
| CVE-2019-1851 | Cisco Identity Services Engine 授权问题漏洞 | |
| CVE-2019-1846 | Cisco ASR 9000 Series IOS XR 输入验证错误漏洞 | |
| CVE-2019-1833 | Cisco Firepower Threat Defense SSL/TLS协议解析器安全漏洞 | |
| CVE-2019-1768 | Cisco NX-OS Software 操作系统命令注入漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2019-1849
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