USN-3543-2: rsync vulnerabilities

Ubuntu Security Notice USN-3543-2

23rd January, 2018

rsync vulnerabilities

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

  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in rsync.

Software description

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

Details

USN-3543-1 fixed vulnerabilities in rsync. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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 12.04 LTS:
rsync 3.0.9-1ubuntu1.3

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