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CVE-2018-0410

Quick assessment

Affected
Cisco Systems, Inc. AsyncOS Software for Cisco Web Security Appliances
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一套Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。AsyncOS Software是运行于其中的一套操作系统。 Cisco WSA中的AsyncOS Software的Web proxy功能存在拒绝服务漏洞，该漏洞源于软件对用于与目标设备进行TCP连接的内存资源管理不当。远程攻击者可借助IPv4或IPv6与受影响设备的数据接口建立大量的TCP连接利用该漏洞造成拒绝服务

AI Predicted 7.5 Difficulty: Moderate EPSS 4.12% · P90
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I. Basic Information for CVE-2018-0410

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected system. The vulnerability exists because the affected software improperly manages memory resources for TCP connections to a targeted device. An attacker could exploit this vulnerability by establishing a high number of TCP connections to the data interface of an affected device via IPv4 or IPv6. A successful exploit could allow the attacker to exhaust system memory, which could cause the system to stop processing new connections and result in a DoS condition. System recovery may require manual intervention. Cisco Bug IDs: CSCvf36610.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Web Security Appliances AsyncOS Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一套Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。AsyncOS Software是运行于其中的一套操作系统。 Cisco WSA中的AsyncOS Software的Web proxy功能存在拒绝服务漏洞，该漏洞源于软件对用于与目标设备进行TCP连接的内存资源管理不当。远程攻击者可借助IPv4或IPv6与受影响设备的数据接口建立大量的TCP连接利用该漏洞造成拒绝服务
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

Vendor Product Affected Versions CPE Subscribe
Cisco Systems, Inc. AsyncOS Software for Cisco Web Security Appliances unspecified -

II. Public POCs for CVE-2018-0410

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III. Intelligence Information for CVE-2018-0410

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Vendor Advisories for CVE-2018-0410 (3)

Same Patch Batch · Cisco Systems, Inc. · 2018-08-15 · 10 CVEs total

CVE-2018-0367 Cisco Registered Envelope Service 跨站脚本漏洞
CVE-2018-0386 Cisco Unified Communications Domain Manager Software 跨站脚本漏洞
CVE-2018-0409 Cisco Unified Communications Manager IM & Presence Service和TelePresence Video Communicatio
CVE-2018-0412 Cisco Small Business 100 Series Wireless Access Points和Small Business 300 Series Wireless
CVE-2018-0415 Cisco Small Business 100 Series Wireless Access Points和Small Business 300 Series Wireless
CVE-2018-0418 Cisco ASR 9000 Series Aggregation Services Router Software 输入验证错误漏洞
CVE-2018-0419 Cisco Email Security Appliances 输入验证漏洞
CVE-2018-0427 Cisco Digital Network Architecture Center 命令注入漏洞
CVE-2018-0428 Cisco Web Security Appliance 访问控制错误漏洞

IV. Related Vulnerabilities

Same vendor: Cisco Systems, Inc.
Same weakness: CWE-400

V. Comments for CVE-2018-0410

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