Debian Long Term Support / LTS Security Information / 2020 / Security Information -- DLA-2478-1 postgresql-9.6

Debian Security Advisory

DLA-2478-1 postgresql-9.6 -- LTS security update

Date Reported:

02 Dec 2020

Affected Packages:

postgresql-9.6

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2020-25694, CVE-2020-25695, CVE-2020-25696.

More information:

Several vulnerabilities have been found in the PostgreSQL database system.

• CVE-2020-25694

  Peter Eisentraut found that database reconnections may drop options from the original connection, such as encryption, which could lead to information disclosure or a man-in-the-middle attack.

• CVE-2020-25695

  Etienne Stalmans reported that a user with permissions to create non-temporary objects in an schema can execute arbitrary SQL functions as a superuser.

• CVE-2020-25696

  Nick Cleaton found that the \gset command modified variables that control the psql behaviour, which could result in a compromised or malicious server executing arbitrary code in the user session.

For Debian 9 stretch, these problems have been fixed in version 9.6.20-0+deb9u1.

We recommend that you upgrade your postgresql-9.6 packages.

For the detailed security status of postgresql-9.6 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/postgresql-9.6

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