CVE:CVE-2020-8517
CNNVD:CNNVD-202002-087
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。
Squid 4.1.0之前版本中的ext_lm_group_acl二进制文件的NTLM身份验证凭据解析器存在输入验证错误漏洞。远程攻击者可借助特制请求利用该漏洞导致程序进程意外终止（拒绝服务）。
solution:Upgrade squid-cache squid to a higher version than 4.10,and avoid the version (,4.10); Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,19.10,and avoid the version 16.04,18.04,19.10