Ubuntu Security Notice USN-4472-1 ≈ Packet Storm – Digitalmunition




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Published on August 25th, 2020 📆 | 4740 Views ⚑

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Ubuntu Security Notice USN-4472-1 ≈ Packet Storm

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Ubuntu Security Notice USN-4472-1
August 25, 2020

postgresql-10, postgresql-12, postgresql-9.5 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in PostgreSQL.

Software Description:
– postgresql-12: Object-relational SQL database
– postgresql-10: Object-relational SQL database
– postgresql-9.5: Object-relational SQL database

Details:

Noah Misch discovered that PostgreSQL incorrectly handled the search_path
setting when used with logical replication. A remote attacker could
possibly use this issue to execute arbitrary SQL code. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14349)

Andres Freund discovered that PostgreSQL incorrectly handled search path
elements in CREATE EXTENSION. A remote attacker could possibly use this
issue to execute arbitrary SQL code. (CVE-2020-14350)

Update instructions:

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

Ubuntu 20.04 LTS:
postgresql-12 12.4-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
postgresql-10 10.14-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
postgresql-9.5 9.5.23-0ubuntu0.16.04.1

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/4472-1
CVE-2020-14349, CVE-2020-14350

Package Information:
https://launchpad.net/ubuntu/+source/postgresql-12/12.4-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/postgresql-10/10.14-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/postgresql-9.5/9.5.23-0ubuntu0.16.04.1

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