USN-3759-1: libtirpc vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

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)

Update instructions

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

Ubuntu 18.04

• libtirpc-dev - 0.2.5-1.2ubuntu0.1
• libtirpc1 - 0.2.5-1.2ubuntu0.1

Ubuntu 16.04

• libtirpc-dev - 0.2.5-1ubuntu0.1
• libtirpc1 - 0.2.5-1ubuntu0.1

Ubuntu 14.04

• 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

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

Related notices

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