Vulnerability Information
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Vulnerability Title
Insecure temporary file use in base-files
Vulnerability Description
The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10.1ubuntu6 incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Canonical Ubuntu 后置链接漏洞
Vulnerability Description
Canonical Ubuntu是英国科能软件（Canonical）公司的一套以桌面应用为主的GNU/Linux操作系统。 Ubuntu 18.04 LTS 10.1ubuntu2.2 版本之前和 Ubuntu 18.10 10.1ubuntu6 版本之前存在后置链接漏洞，该漏洞源于基本文件包中的 MOTD 更新脚本错误地处理了临时文件。 如果内核符号链接限制被禁用，本地攻击者可能会利用此问题导致拒绝服务或提升权限。
CVSS Information
N/A
Vulnerability Type
N/A