CVE-2017-9525

MediumCVSS 6.7/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-59

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://bugs.debian.org/864466Issue Tracking, Third Party Advisory, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/06/08/3Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1038651Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/03/msg00025.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00029.htmlMailing List, Third Party Advisory
http://bugs.debian.org/864466Issue Tracking, Third Party Advisory, Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/06/08/3Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1038651Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/03/msg00025.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00029.htmlMailing List, Third Party Advisory

Timeline

Published: Jun 9, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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