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CVE-2018-0248— Cisco Wireless LAN Controller Software GUI Configuration Denial of Service Vulnerabilities

Quick assessment

Affected
Cisco Cisco Wireless LAN Controller (WLC)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Wireless LAN Controller（WLC）Software是美国思科（Cisco）公司的一套用于配置和管理WLC（无线局域网控制器）的软件。 Cisco WLC Software 8.3.150.0之前版本、8.5.140.0之前版本和8.8.111.0之前版本中的管理GUI配置功能存在输入验证错误漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。

AI Predicted 5.3 Difficulty: Easy EPSS 1.99% · P80
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I. Basic Information for CVE-2018-0248

Vulnerability Information
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Vulnerability Title
Cisco Wireless LAN Controller Software GUI Configuration Denial of Service Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the administrative GUI configuration feature of Cisco Wireless LAN Controller (WLC) Software could allow an aUTHENTICated, remote attacker to cause the device to reload unexpectedly during device configuration when the administrator is using this GUI, causing a denial of service (DoS) condition on an affected device. The attacker would need to have valid administrator credentials on the device. This vulnerability is due to incomplete input validation for unexpected configuration options that the attacker could submit while accessing the GUI configuration menus. An attacker could exploit these vulnerabilities by authenticating to the device and submitting crafted user input when using the administrative GUI configuration feature. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Software versions prior to 8.3.150.0, 8.5.140.0, 8.8.111.0 are affected by this vulnerability.
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 Wireless LAN Controller（WLC）Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Wireless LAN Controller（WLC）Software是美国思科（Cisco）公司的一套用于配置和管理WLC（无线局域网控制器）的软件。 Cisco WLC Software 8.3.150.0之前版本、8.5.140.0之前版本和8.8.111.0之前版本中的管理GUI配置功能存在输入验证错误漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
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

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Wireless LAN Controller (WLC) unspecified ~ 8.3.150.0 -

II. Public POCs for CVE-2018-0248

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III. Intelligence Information for CVE-2018-0248

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Vendor Advisories for CVE-2018-0248 (2)

Same Patch Batch · Cisco · 2019-04-17 · 8 CVEs total

CVE-2018-0382 Cisco Wireless LAN Controller Software Session Hijacking Vulnerability
CVE-2019-1654 Cisco Aironet Series Access Points Development Shell Access Vulnerability
CVE-2019-1710 Cisco IOS XR 64-Bit Software for Cisco ASR 9000 Series Aggregation Services Routers Networ
CVE-2019-1686 Cisco ASR 9000 Series Aggregation Services Routers ACL Bypass Vulnerability
CVE-2019-1711 Cisco IOS XR gRPC Software Denial of Service Vulnerability
CVE-2019-1718 Cisco Identity Services Engine SSL Renegotiation Denial of Service Vulnerability
CVE-2019-1712 Cisco IOS XR Software Protocol Independent Multicast Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Wireless LAN Controller (WLC)
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2018-0248

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