CWE Code: 59
Vulnerability Type: privilege_escalation
CVSS Score: 4.4
CWE Name:  Improper Link Resolution Before File Access ('Link Following')
Summary: 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.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2018-08-21
Last Modified Date: 2018-11-21