安全研究

安全漏洞
Cisco Adaptive Security Appliances Software越界写入漏洞(CVE-2023-20081)

发布日期:2023-03-22
更新日期:2023-05-05

受影响系统:
Cisco Cisco Adaptive Security Appliance (ASA) Software
描述:
CVE(CAN) ID: CVE-2023-20081

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 Software的客户端模块存在越界写入漏洞,未经身份认证的远程攻击者可利用该漏洞通过发送特制的DHCPv6消息导致拒绝服务。

<*链接:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhc
*>

建议:
厂商补丁:

Cisco
-----
Cisco已经为此发布了一个安全公告(cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv)以及相应补丁:
cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv:Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability
链接:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv

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