安全研究

安全漏洞
Cisco Adaptive Security Appliance和Firepower Threat Defense拒绝服务漏洞(CVE-2021-34783)

发布日期:2021-10-27
更新日期:2021-10-28

受影响系统:
Cisco Adaptive Security Appliance 9.16.1.28
Cisco Adaptive Security Appliance 9.16.1
Cisco Firepower Threat Defense >= 6.3.0
Cisco Firepower Threat Defense 7.0.1
Cisco Firepower Threat Defense 7.0.0
描述:
CVE(CAN) ID: CVE-2021-34783

Cisco Adaptive Security Appliances Software(ASA Software)是美国思科(Cisco)公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。
Cisco Adaptive Security Appliance和Firepower Threat Defense存在拒绝服务漏洞。该漏洞源于程序未对SSL/TLS消息进行正确验证。攻击者可利用该漏洞造成设备重新加载并进一步导致拒绝服务。

<*来源:Sanmith Prakash (Cisco)
  
  链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tls-decrypt-dos-B
*>

建议:
厂商补丁:

Cisco
-----
Cisco已经为此发布了一个安全公告(cisco-sa-ftd-tls-decrypt-dos-BMxYjm8M)以及相应补丁:
cisco-sa-ftd-tls-decrypt-dos-BMxYjm8M:Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Software-Based SSL/TLS Denial of Service Vulnerability
链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tls-decrypt-dos-BMxYjm8M

浏览次数:1682
严重程度:0(网友投票)
本安全漏洞由绿盟科技翻译整理,版权所有,未经许可,不得转载
绿盟科技给您安全的保障