VulnerabilityModified
CVE-2017-9525
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.
MEDIUM 6.7EPSS 0.55%
Does this matter?
Lower severity and a low EPSS score (0.55%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.55% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- cron project/cron · debian/debian linux
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.