Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
Debian LTS: Security Advisory for cron (DLA-2801-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'cron' package(s) announced via the DLA-2801-1 advisory.
Insight
Insight
CVE-2017-9525 Fix group crontab to root escalation via postinst. CVE-2019-9704 A very large crontab created by a user could crash the daemon. CVE-2019-9705 Enforce maximum crontab line count of 10000 to prevent a malicious user from creating an excessivly large crontab. CVE-2019-9706 Fix for possible DoS by use-after-free. Additionally, a bypass of /etc/cron.{allow, deny} on failure to open has been fixed. If these files exist, then they must be readable by the user executing crontab(1). Users will now be denied by default if they aren't.
Affected Software
Affected Software
'cron' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, these problems have been fixed in version 3.0pl1-128+deb9u2. We recommend that you upgrade your cron packages.