CVE-2017-9525 Information

Description

In the cron package through 3.0pl1-128 on Debian and through 3.0pl1-128ubuntu2 on Ubuntu the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

http://bugs.debian.org/864466 http://www.openwall.com/lists/oss-security/2017/06/08/3 http://www.securitytracker.com/id/1038651 https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.7