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CVE-2018-0171

Quick assessment

Affected
n/a Cisco IOS and IOS XE
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco IOS Software和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS Software和IOS XE Software中的Smart Install功能存在输入验证漏洞，该漏洞源于程序没有正确的校验数据包数据。远程攻击者可通过向TCP 4786端口上的受影响设备发送特制的Smart Install消息利用该漏洞造成拒绝服务（设备重新加载）或执行任意代码。

AI Predicted 9.8 Difficulty: Easy KEV EPSS 99.48% · P100

Public Exploits 1

ExploitDB · 1 EDB-44451 [dos]
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I. Basic Information for CVE-2018-0171

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS Software和IOS XE Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS Software和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS Software和IOS XE Software中的Smart Install功能存在输入验证漏洞，该漏洞源于程序没有正确的校验数据包数据。远程攻击者可通过向TCP 4786端口上的受影响设备发送特制的Smart Install消息利用该漏洞造成拒绝服务（设备重新加载）或执行任意代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- Cisco IOS and IOS XE Cisco IOS and IOS XE -

II. Public POCs for CVE-2018-0171

# POC Description Source Link Shenlong Link
1 Cisco SmartInstall Exploit [CVE-2018-0171] https://github.com/AlrikRr/Cisco-Smart-Exploit POC Details
2 Checks if TFTP service becomes available after Smart Install exploitation. This template should be run after the configuration extraction payload to verify that the device is now serving configuration files via TFTP. https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2018/CVE-2018-0171.yaml POC Details
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III. Intelligence Information for CVE-2018-0171

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Vendor Advisories for CVE-2018-0171 (3)

News Coverage for CVE-2018-0171 (1)

Other References for CVE-2018-0171 (2)

Same Patch Batch · n/a · 2018-03-28 · 46 CVEs total

CVE-2018-0190 Cisco IOS XE Software 跨站脚本漏洞
CVE-2018-0196 Cisco IOS XE Software 输入验证错误漏洞
CVE-2018-8820 Square 9 GlobalForms SQL注入漏洞
CVE-2018-9109 Studio 42 elFinder 路径遍历漏洞
CVE-2018-9106 Joomla! Acyba AcySMS扩展输入验证错误漏洞
CVE-2018-9107 Joomla! Acyba AcyMailing扩展输入验证错误漏洞
CVE-2018-9108 QuickAppsCMS 跨站请求伪造漏洞
CVE-2018-8823 PrestaShop Responsive Mega Menu Pro模块安全漏洞
CVE-2018-9110 Studio 42 elFinder on Windows 安全漏洞
CVE-2018-0193 Cisco IOS XE Software CLI解析器命令注入漏洞
CVE-2018-0195 Cisco IOS XE Software REST API 授权问题漏洞
CVE-2018-0189 Cisco IOS Software和IOS XE Software 资源管理错误漏洞
CVE-2018-0188 Cisco IOS XE Software 跨站脚本漏洞
CVE-2018-0186 Cisco IOS XE Software 跨站脚本漏洞
CVE-2018-0185 Cisco IOS XE Software CLI解析器命令注入漏洞
CVE-2018-0184 Cisco IOS XE Software CLI解析器权限许可和访问控制漏洞
CVE-2018-0183 Cisco 4000 Series Integrated Services Router IOS XE Software CLI解析器权限许可和访问控制漏洞
CVE-2018-0182 Cisco IOS XE Software CLI解析器命令注入漏洞
CVE-2018-0180 Cisco IOS Software 资源管理错误漏洞
CVE-2018-0179 Cisco IOS Software 资源管理错误漏洞

Showing top 20 of 46 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco IOS and IOS XE
Same vendor: n/a
Same weakness: CWE-20