postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities

14 November 2017

postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 17.10
• Ubuntu 17.04
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

Several security issues were fixed in PostgreSQL.

Software Description

• postgresql-9.6 - Object-relational SQL database
• postgresql-9.5 - Object-relational SQL database
• postgresql-9.3 - Object-relational SQL database

Details

David Rowley discovered that PostgreSQL incorrectly handled memory when processing certain JSON functions. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2017-15098)

Dean Rasheed discovered that PostgreSQL incorrectly enforced SELECT privileges when processing INSERT … ON CONFLICT DO UPDATE commands. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 17.04 and Ubuntu 17.10.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.10

postgresql-9.6 - 9.6.6-0ubuntu0.17.10

Ubuntu 17.04

postgresql-9.6 - 9.6.6-0ubuntu0.17.04

Ubuntu 16.04 LTS

postgresql-9.5 - 9.5.10-0ubuntu0.16.04

Ubuntu 14.04 LTS

postgresql-9.3 - 9.3.20-0ubuntu0.14.04

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart PostgreSQL to make all the necessary changes.

References

• CVE-2017-15098
• CVE-2017-15099