CVE:CVE-2021-23049
CNNVD:CNNVD-202108-2294
F5 BIG-IP是美国F5公司的一款集成了网络流量管理、应用程序安全管理、负载均衡等功能的应用交付平台。
F5 BIG-IP存在安全漏洞。该漏洞源于使用解压缩器、json转码器、grpc web或其他专有扩展时，可以修改并增加请求或响应正文大小。攻击者可利用该漏洞读取无效内存并导致崩溃，从而导致拒绝服务
solution:Upgrade f5 big-ip_access_policy_manager to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_advanced_firewall_manager to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_advanced_web_application_firewall to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_analytics to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_application_acceleration_manager to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_application_security_manager to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_domain_name_system to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_fraud_protection_service to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_global_traffic_manager to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_link_controller to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2); Upgrade f5 big-ip_local_traffic_manager to a higher version than 15.1.3,16.0.1.2,and avoid the version [15.1.0,15.1.3),[16.0.0,16.0.1.2)