Ubuntu Samba高危安全漏洞修复
Ubuntu Samba安全漏洞修复处理方法。
漏洞信息：
The version of Samba running on the remote host is 4.13.x prior to 4.13.17, 4.14.x prior to 4.14.12, or 4.15.x prior to 4.15.5. It is, therefore, affected by multiple vulnerabilities:
- Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution. (CVE-2021-44142)
- Information leak via symlinks of existence of files or directories outside of the exported share. (CVE-2021-44141)
- Samba AD users with permission to write to an account can impersonate arbitrary services. (CVE-2022-0336)
Solution
Upgrade to Samba version 4.13.17, 4.14.12, or 4.15.5 or later.