Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2017-9525 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.7 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://bugs.debian.org/864466 CVEIssue TrackingThird Party AdvisoryVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html CVEMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/06/08/3 CVEMailing ListThird Party Advisory
http://www.securitytracker.com/id/1038651 CVEThird Party AdvisoryVDB Entry

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-59Improper Link Resolution Before File Access ('Link Following')[email protected]

Affected Products

ProductVersions
cron project cron
<= 3.0pl1-128.

CPE

  • cpe:2.3:a:cron_project:cron:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
All versions

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
8.0
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-9525
NVD Published Date:
Jun 9, 2017
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-9525 Details - Not Deferred