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I. Basic Information for CVE-2019-1749
Vulnerability Information

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Vulnerability Title
Cisco Aggregation Services Router 900 Route Switch Processor 3 OSPFv2 Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the ingress traffic validation of Cisco IOS XE Software for Cisco Aggregation Services Router (ASR) 900 Route Switch Processor 3 (RSP3) could allow an unauthenticated, adjacent attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability exists because the software insufficiently validates ingress traffic on the ASIC used on the RSP3 platform. An attacker could exploit this vulnerability by sending a malformed OSPF version 2 (OSPFv2) message to an affected device. A successful exploit could allow the attacker to cause a reload of the iosd process, triggering a reload of the affected device and resulting in a DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco ASR 900 Cisco IOS XE 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ASR 900是美国思科(Cisco)公司的一款900系列聚合服务路由器。Cisco IOS XE是一套为Cisco网络设备开发的操作系统。 Cisco ASR 900(Route Switch Processor 3 )中的Cisco IOS XE存在输入验证漏洞,该漏洞源于程序没有充分地验证输入的流量。当设备配置有OSPFv2路由和OSPF Message Digest 5 (MD5)加密认证时,攻击者可通过发送畸形的OSPFv2消息利用该漏洞重新加载iosd进程,造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
CiscoCisco IOS XE Software 3.13.6aS -
II. Public POCs for CVE-2019-1749
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III. Intelligence Information for CVE-2019-1749
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