CVE-2017-9525 Privilege escalation in n/a
Local attackers can escalate privileges to root via symlink attacks during the cron package installation or update process.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9525?
CVE-2017-9525 is a medium-severity vulnerability in Debian Debian Linux, published on 9 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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: CWE-59
Which versions are affected by CVE-2017-9525?
It affects 2 products.
Products include Cron Project Cron, Debian Debian Linux.
How do I fix CVE-2017-9525?
Apply the vendor's patch.
Is CVE-2017-9525 being exploited?
There is no known exploitation of CVE-2017-9525 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-9525, GHSA-p8jr-r46j-qpx9, UBUNTU-CVE-2017-9525, USN-5259-3.