[SECURITY] [DLA 2478-1] postgresql-9.6 security update
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Debian LTS Advisory DLA-2478-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
December 02, 2020 https://wiki.debian.org/LTS
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Package : postgresql-9.6
Version : 9.6.20-0+deb9u1
CVE ID : CVE-2020-25694 CVE-2020-25695 CVE-2020-25696
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
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