USN-3543-1: rsync vulnerabilities

Ubuntu Security Notice USN-3543-1

23rd January, 2018

rsync vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Several security issues were fixed in rsync.

Software description

  • rsync - fast, versatile, remote (and local) file-copying tool

Details

It was discovered that rsync incorrectly handled certain data input.
An attacker could possibly use this to cause a denial of service or
execute arbitrary code. (CVE-2017-16548)

It was discovered that rsync incorrectly parsed certain arguments. An attacker
could possibly use this to bypass arguments and execute arbitrary code.
(CVE-2018-5764)

Update instructions

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

Ubuntu 17.10:
rsync 3.1.2-2ubuntu0.2
Ubuntu 16.04 LTS:
rsync 3.1.1-3ubuntu1.2
Ubuntu 14.04 LTS:
rsync 3.1.0-2ubuntu0.4

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2017-16548, CVE-2018-5764