A privilege escalation vulnerability was discovered in Net-SNMP, a set of tools for collecting and organising information about devices on computer networks, due to incorrect symlink handling (CVE-2020-15861).

This security update also applies an upstream fix to their previous handling of CVE-2020-15862 as part of DLA-2299-1.

• CVE-2020-15861

  Elevation of Privileges due to symlink handling

• CVE-2020-15862

  privilege escalation

For Debian 9 Stretch, these problems have been fixed in version 5.7.3+dfsg-1.7+deb9u3.

We recommend that you upgrade your net-snmp packages.

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