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USN-3759-1: libtirpc vulnerabilities

5 September 2018

Several security issues were fixed in libtirpc.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

Related notices

  • USN-3239-1: libc6-dev-amd64, libnss-files-udeb, locales-all, glibc-source, libc6-ppc64, libc6-dev-ppc64, libc6-dev-s390, libc6-dev, libc6-prof, libc6-armel, libc-bin, libc-dev-bin, multiarch-support, libc6, libc6-dev-armel, libc6-pic, libc6-dev-x32, libc6-s390, libc6-udeb, locales, nscd, eglibc-source, eglibc, glibc-doc, libc6-i386, libc6-amd64, libc6-dev-i386, libnss-dns-udeb, libc6-x32, glibc
  • USN-3759-2: libtirpc, libtirpc1, libtirpc-dev
  • USN-4986-1: rpcbind
  • USN-4986-2: rpcbind