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Ubuntu Security Notice USN-3972-1

Ubuntu Security Notice USN-3972-1
Posted May 13, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3972-1 - It was discovered that PostgreSQL incorrectly handled partition routing. A remote user could possibly use this issue to read arbitrary bytes of server memory. This issue only affected Ubuntu 19.04. Dean Rasheed discovered that PostgreSQL incorrectly handled selectivity estimators. A remote attacker could possibly use this issue to bypass row security policies.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-10129, CVE-2019-10130
MD5 | 98ce483618e7dcc47f3eab74f1d0a501

Ubuntu Security Notice USN-3972-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3972-1
May 13, 2019

postgresql-10, postgresql-11, postgresql-9.5 vulnerabilities
==========================================================================

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

- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in PostgreSQL.

Software Description:
- postgresql-11: object-relational SQL database
- postgresql-10: Object-relational SQL database
- postgresql-9.5: Object-relational SQL database

Details:

It was discovered that PostgreSQL incorrectly handled partition routing. A
remote user could possibly use this issue to read arbitrary bytes of server
memory. This issue only affected Ubuntu 19.04. (CVE-2019-10129)

Dean Rasheed discovered that PostgreSQL incorrectly handled selectivity
estimators. A remote attacker could possibly use this issue to bypass row
security policies. (CVE-2019-10130)

Update instructions:

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

Ubuntu 19.04:
postgresql-11 11.3-0ubuntu0.19.04.1

Ubuntu 18.10:
postgresql-10 10.8-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
postgresql-10 10.8-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
postgresql-9.5 9.5.17-0ubuntu0.16.04.1

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:
https://usn.ubuntu.com/usn/usn-3972-1
CVE-2019-10129, CVE-2019-10130

Package Information:
https://launchpad.net/ubuntu/+source/postgresql-11/11.3-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/postgresql-10/10.8-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/postgresql-10/10.8-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/postgresql-9.5/9.5.17-0ubuntu0.16.04.1

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