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Information Exposure Affecting postgresql-9.5 package, versions <9.5.7-0ubuntu0.16.04

Severity

 Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.42% (75th percentile)

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  • Snyk IDSNYK-UBUNTU1604-POSTGRESQL95-274704
  • published12 May 2017
  • disclosed12 May 2017
Report a new vulnerability Found a mistake?

Introduced: 12 May 2017

CVE-2017-7484  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 postgresql-9.5 to version 9.5.7-0ubuntu0.16.04 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql-9.5 package and not the postgresql-9.5 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

It was found that some selectivity estimation functions in PostgreSQL before 9.2.21, 9.3.x before 9.3.17, 9.4.x before 9.4.12, 9.5.x before 9.5.7, and 9.6.x before 9.6.3 did not check user privileges before providing information from pg_statistic, possibly leaking information. An unprivileged attacker could use this flaw to steal some information from tables they are otherwise not allowed to access.