中文描述:

Cisco 3000 Series Industrial Security Appliances（ISA）等都是美国思科（Cisco）公司的不同系列的安全防火墙设备。AnyConnect Secure Mobility Client、Adaptive Security Appliance（ASA）Software和Firepower Threat Defense（FTD）Software都是使用在其中的软件。AnyConnect Secure Mobility Client是一款用于管理防火墙的桌面应用程序。Adaptive Security Appliance（ASA）Software和Firepower Threat Defense（FTD）Software都是运行在设备中的防火墙系统。 多款Cisco产品中的AnyConnect Secure Mobility Client（桌面平台）、ASA Software和FTD Software的Security Assertion Markup Language(SAML)Single Sign-On(SSO)身份验证的实现存在会话固定漏洞，该漏洞源于ASA或FTD软件没有实现任何机制来检测认证请求是否直接来自AnyConnect客户端。远程攻击者可通过诱使用户打开特制的链接并使用该公司的身份提供商（IdP）利用该漏洞劫持有效的身份验证令牌并创建已认证的AnyConnect会话。以下产品受到影响：Cisco 3000 Series Industrial Security Appliances (ISA)；ASA 5500 Series Adaptive Security Appliances；ASA 5500-X Series Next-Generation Firewalls；ASA Services Module for Cisco Catalyst 6500 Series Switches和Cisco 7600 Series Routers ；Adaptive Security Virtual Appliance (ASAv)；Firepower 2100 Series Security Appliance；Firepower 4100 Series Security Appliance；Firepower 9300 ASA Security Module；FTD Virtual (FTDv)；Adaptive Security Appliance Software 9.7版本，9.8版本，9.9版本；Firepower Threat Defense Software 6.2.1版本，6.2.2版本，6.2.3版本；AnyConnect Secure Mobility Client 4.4版本，4.5版本。

英文描述:

A vulnerability in the implementation of Security Assertion Markup Language (SAML) Single Sign-On (SSO) authentication for Cisco AnyConnect Secure Mobility Client for Desktop Platforms, Cisco Adaptive Security Appliance (ASA) Software, and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to establish an authenticated AnyConnect session through an affected device running ASA or FTD Software. The authentication would need to be done by an unsuspecting third party, aka Session Fixation. The vulnerability exists because there is no mechanism for the ASA or FTD Software to detect that the authentication request originates from the AnyConnect client directly. An attacker could exploit this vulnerability by persuading a user to click a crafted link and authenticating using the company's Identity Provider (IdP). A successful exploit could allow the attacker to hijack a valid authentication token and use that to establish an authenticated AnyConnect session through an affected device running ASA or FTD Software. This vulnerability affects the Cisco AnyConnect Secure Mobility Client, and ASA Software and FTD Software configured for SAML 2.0-based SSO for AnyConnect Remote Access VPN that is running on the following Cisco products: 3000 Series Industrial Security Appliances (ISA), ASA 5500 Series Adaptive Security Appliances, ASA 5500-X Series Next-Generation Firewalls, ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Adaptive Security Virtual Appliance (ASAv), Firepower 2100 Series Security Appliance, Firepower 4100 Series Security Appliance, Firepower 9300 ASA Security Module, FTD Virtual (FTDv). Cisco Bug IDs: CSCvg65072, CSCvh87448.

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