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CVE-2019-1740— Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities

EPSS 0.89% · P76
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I. Basic Information for CVE-2019-1740

Vulnerability Information
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Vulnerability Title
Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability are due to a parsing issue on DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (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 IOS和IOS XE 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS和IOS XE中的Network-Based Application Recognition (NBAR)功能存在输入验证漏洞，该漏洞源于程序存在解析问题。远程攻击者可通过发送特制的DNS数据包利用该漏洞造成受影响的设备重新加载，导致拒绝服务。
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 and Cisco IOS-XE Software 3.16.0S -

II. Public POCs for CVE-2019-1740

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III. Intelligence Information for CVE-2019-1740

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Same Patch Batch · Cisco · 2019-03-27 · 13 CVEs total

CVE-2019-1737Cisco IOS and IOS XE Software IP Service Level Agreement Denial of Service Vulnerability
CVE-2019-1738Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln
CVE-2019-1739Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln
CVE-2019-1741Cisco IOS XE Software Encrypted Traffic Analytics Denial of Service Vulnerability
CVE-2019-1743Cisco IOS XE Software Arbitrary File Upload Vulnerability
CVE-2019-1742Cisco IOS XE Software Information Disclosure Vulnerability
CVE-2019-1745Cisco IOS XE Software Command Injection Vulnerability
CVE-2019-1746Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability
CVE-2019-1748Cisco IOS and IOS XE Software Network Plug-and-Play Agent Certificate Validation Vulnerabi
CVE-2019-1747Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability
CVE-2019-1750Cisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service Vulnerabili
CVE-2019-1749Cisco Aggregation Services Router 900 Route Switch Processor 3 OSPFv2 Denial of Service Vu

IV. Related Vulnerabilities

Same product: Cisco IOS and Cisco IOS-XE Software
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2019-1740

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