VULNERABILITY INTELLIGENCE
CVE-2017-9525
CVSS score6.7 MEDIUM
EPSS probability0.55%
CISA KEVNot currently listed
Published2017-06-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-59: Improper Link Resolution Before File Access ('Link Following')
Primary references
- cve@mitre.org — Issue Tracking, Third Party Advisory, Vendor Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory