CVE-2019-16018 (CNNVD-202001-1118)

HIGH
中文标题:
Cisco IOS XR 资源管理错误漏洞
英文标题:
Cisco IOS XR Software EVPN Operational Routes Denial of Service Vulnerability
CVSS分数: 7.4
发布时间: 2020-01-26 04:30:48
漏洞类型: 资源管理错误
状态: PUBLISHED
数据质量分数: 0.30
数据版本: v3
漏洞描述
中文描述:

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Border Gateway Protocol(边界网关协议) Ethernet VPN (EVPN)功能的实现存在资源管理错误漏洞,该漏洞源于程序没有正确处理包含特定EVPN属性的BGP更新消息。远程攻击者可借助恶意的BGP更新消息利用该漏洞造成拒绝服务。

英文描述:

A vulnerability 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 vulnerability is due to incorrect processing of a BGP update message that contains crafted EVPN attributes. An attacker could indirectly exploit the vulnerability by sending BGP EVPN update messages with a specific, malformed attribute to an affected system and waiting for a user on the device to display the EVPN operational routes’ status. If successful, the attacker could 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 this vulnerability, 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.

CWE类型:
CWE-399 CWE-400
标签:
(暂无数据)
受影响产品
厂商 产品 版本 版本范围 平台 CPE
Cisco Cisco IOS XR Software - < n/a - cpe:2.3:a:cisco:cisco_ios_xr_software:*:*:*:*:*:*:*:*
cisco ios_xr 6.6.1 - - cpe:2.3:o:cisco:ios_xr:6.6.1:*:*:*:*:*:*:*
cisco ios_xr 6.6.2 - - cpe:2.3:o:cisco:ios_xr:6.6.2:*:*:*:*:*:*:*
cisco ios_xr 6.6.25 - - cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:*
cisco ios_xr 7.0.1 - - cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:*
解决方案
中文解决方案:
(暂无数据)
英文解决方案:
(暂无数据)
临时解决方案:
(暂无数据)
参考链接
20200122 Cisco IOS XR Software EVPN Operational Routes Denial of Service Vulnerability vendor-advisory
cve.org
访问
CVSS评分详情
3.0 (cna)
HIGH
7.4
CVSS向量: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
机密性
NONE
完整性
NONE
可用性
HIGH
时间信息
发布时间:
2020-01-26 04:30:48
修改时间:
2024-11-15 17:46:42
创建时间:
2025-11-11 15:35:36
更新时间:
2025-11-11 15:55:20
利用信息
暂无可利用代码信息
数据源详情
数据源 记录ID 版本 提取时间
CVE cve_CVE-2019-16018 2025-11-11 15:20:04 2025-11-11 07:35:36
NVD nvd_CVE-2019-16018 2025-11-11 14:56:31 2025-11-11 07:44:08
CNNVD cnnvd_CNNVD-202001-1118 2025-11-11 15:10:21 2025-11-11 07:55:20
版本与语言
当前版本: v3
主要语言: EN
支持语言:
EN ZH
安全公告
暂无安全公告信息
变更历史
v3 CNNVD
2025-11-11 15:55:20
vulnerability_type: 未提取 → 资源管理错误; cnnvd_id: 未提取 → CNNVD-202001-1118; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
  • vulnerability_type: 未提取 -> 资源管理错误
  • cnnvd_id: 未提取 -> CNNVD-202001-1118
  • data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2 NVD
2025-11-11 15:44:08
affected_products_count: 1 → 5; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
  • affected_products_count: 1 -> 5
  • data_sources: ['cve'] -> ['cve', 'nvd']