- -------------------------------------------------------------------------
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:

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

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

December 2, 2020
Several vulnerabilities have been found in the PostgreSQL database system

Summary

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:

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


Severity
Package : postgresql-9.6
Version : 9.6.20-0+deb9u1
CVE ID : CVE-2020-25694 CVE-2020-25695 CVE-2020-25696

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