Cisco Web Security Appliance AsyncOS Software 输入验证错误漏洞

漏洞信息详情

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一款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是使用在其中的一套操作系统。

Cisco WSA中的AsyncOS Software的Web代理功能存在输入验证错误漏洞，该漏洞源于程序没有对通过受影响设备所发送的HTTP/HTTPS请求中的字段进行充分地输入验证。远程攻击者可通过发送恶意的HTTP/HTTPS请求利用该漏洞造成流量处理终止，导致拒绝服务。

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-asyncos-wsa

来源:www.cisco.com

链接:http://www.cisco.com/

来源:tools.cisco.com

链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-wsa-dos

来源:tools.cisco.com

链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-asyncos-wsa

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Cisco-Web-Security-Appliance-denial-of-service-via-HTTP-HTTPS-Requests-29685

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2019.2446/

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2019-1884

来源:www.securityfocus.com

链接:https://www.securityfocus.com/bid/109032

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