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Link Following Affecting postgresql-9.4 package, versions <9.4.15-0+deb8u1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Privileges Required High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
6.7 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-DEBIAN8-POSTGRESQL94-384939
  • published 22 Nov 2017
  • disclosed 22 Nov 2017
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Introduced: 22 Nov 2017

CVE-2017-12172 Open this link in a new tab
CWE-59 Open this link in a new tab

How to fix?

Upgrade Debian:8 postgresql-9.4 to version 9.4.15-0+deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql-9.4 package and not the postgresql-9.4 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

PostgreSQL 10.x before 10.1, 9.6.x before 9.6.6, 9.5.x before 9.5.10, 9.4.x before 9.4.15, 9.3.x before 9.3.20, and 9.2.x before 9.2.24 runs under a non-root operating system account, and database superusers have effective ability to run arbitrary code under that system account. PostgreSQL provides a script for starting the database server during system boot. Packages of PostgreSQL for many operating systems provide their own, packager-authored startup implementations. Several implementations use a log file name that the database superuser can replace with a symbolic link. As root, they open(), chmod() and/or chown() this log file name. This often suffices for the database superuser to escalate to root privileges when root starts the server.