Ubuntu Security Notice 3543-1 - 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. It was discovered that rsync incorrectly parsed certain arguments. An attacker could possibly use this to bypass arguments and execute arbitrary code.
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Ubuntu Security Notice USN-3543-1
January 23, 2018
rsync vulnerabilities
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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 versions:
Ubuntu 17.10:
rsync=C2=A03.1.2-2ubuntu0.2
Ubuntu 16.04 LTS:
rsync=C2=A03.1.1-3ubuntu1.2
Ubuntu 14.04 LTS:
rsync=C2=A03.1.0-2ubuntu0.4
In general, a standard system update will make all the necessary
changes.
References:
https://www.ubuntu.com/usn/usn-3543-1
CVE-2017-16548, CVE-2018-5764
Package Information:
https://launchpad.net/ubuntu/+source/rsync/3.1.2-2ubuntu0.2
https://launchpad.net/ubuntu/+source/rsync/3.1.1-3ubuntu1.2
https://launchpad.net/ubuntu/+source/rsync/3.1.0-2ubuntu0.4