USN-3759-1: libtirpc vulnerabilities

Publication date

5 September 2018

Overview

Several security issues were fixed in libtirpc.


Packages

  • libtirpc - transport-independent RPC library - development files

Details

Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-4429)

It was discovered that libtirpc incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14622)

It was discovered that libtirpc incorrectly handled certain strings.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2017-8779)

Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2016-4429)

It was discovered that libtirpc incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-14622)

It was discovered that libtirpc incorrectly handled certain strings.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
(CVE-2017-8779)

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libtirpc-dev –  0.2.5-1.2ubuntu0.1
libtirpc1 –  0.2.5-1.2ubuntu0.1
16.04 xenial libtirpc-dev –  0.2.5-1ubuntu0.1
libtirpc1 –  0.2.5-1ubuntu0.1
14.04 trusty libtirpc-dev –  0.2.2-5ubuntu2.1
libtirpc1 –  0.2.2-5ubuntu2.1

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