Debian Security Advisory

DLA-2918-1 debian-edu-config -- LTS security update

Date Reported:
12 Feb 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-20001.
More information:

Marcel Neumann, Robert Altschaffel, Loris Guba and Dustin Hermann discovered that debian-edu-config, a set of configuration files used for the Debian Edu blend configured insecure permissions for the user web shares (~/public_html), which could result in privilege escalation.

If PHP functionality is needed for the user web shares, please refer to /usr/share/doc/debian-edu-config/

For Debian 9 stretch, this problem has been fixed in version 1.929+deb9u5.

We recommend that you upgrade your debian-edu-config packages.

For the detailed security status of debian-edu-config please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: