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Ubuntu 18.04 LTS USN-3759-1 High: Libtirpc Denial Of Service

ubuntu
Calendar Grey September 5, 2018
Dist Ubuntu Esm H88
Resolved numerous vulnerabilities within libtirpc that affect various iterations of Ubuntu, accompanied by comprehensive guidelines for updating.
Several security issues were fixed in libtirpc.

Summary

Several security issues were fixed in libtirpc.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu high libtirpc

Update Instructions

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

Ubuntu 18.04 LTS:
  libtirpc-dev                    0.2.5-1.2ubuntu0.1
  libtirpc1                       0.2.5-1.2ubuntu0.1

Ubuntu 16.04 LTS:
  libtirpc-dev                    0.2.5-1ubuntu0.1
  libtirpc1                       0.2.5-1ubuntu0.1

Ubuntu 14.04 LTS:
  libtirpc-dev                    0.2.2-5ubuntu2.1
  libtirpc1                       0.2.2-5ubuntu2.1

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

References

  https://ubuntu.com/security/notices/USN-3759-1

  CVE-2016-4429, CVE-2017-8779, CVE-2018-14622

September 05, 2018

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu high libtirpc

Package Information

  https://launchpad.net/ubuntu/+source/libtirpc/0.2.5-1.2ubuntu0.1
  https://launchpad.net/ubuntu/+source/libtirpc/0.2.5-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libtirpc/0.2.2-5ubuntu2.1

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