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Link Following Affecting postgresql95-static package, versions <0:9.5.10-1.77.amzn1

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-AMZN201803-POSTGRESQL95STATIC-1709311
  • published27 Sept 2021
  • disclosed22 Nov 2017
Report a new vulnerability Found a mistake?

Introduced: 22 Nov 2017

CVE-2017-12172  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 postgresql95-static to version 0:9.5.10-1.77.amzn1 or higher.
This issue was patched in ALAS-2017-930.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql95-static package and not the postgresql95-static package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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.