CVE:CVE-2019-7303
CNNVD:CNNVD-201903-841
Canonical snapd是英国科能（Canonical）公司的一套软件部署和包管理系统。
Canonical snapd 2.37.4之前版本中存在安全漏洞。攻击者可利用该漏洞绕过访问限制并向输入队列中注入字符。
solution:Upgrade canonical snapd to a higher version than 2.37.4,and avoid the version (,2.37.4); Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,18.10,and avoid the version 14.04,16.04,18.04,18.10