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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-1723-1 cron security update
Debian DLA Debian DLA DLA-2801-1 cron security update
EUVD EUVD EUVD-2017-18456 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.
Ubuntu USN Ubuntu USN USN-5259-1 Cron vulnerabilities
Ubuntu USN Ubuntu USN USN-5259-2 Cron vulnerabilities
Ubuntu USN Ubuntu USN USN-5259-3 Cron regression
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T17:11:01.621Z

Reserved: 2017-06-09T00:00:00

Link: CVE-2017-9525

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-06-09T16:29:02.110

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-9525

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.