Ubuntu Security Notice 3543-2 - USN-3543-1 fixed vulnerabilities in rsync. This update provides the corresponding update for Ubuntu 12.04 ESM. 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. Various other issues were also addressed.
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Ubuntu Security Notice USN-3543-2
January 23, 2018
rsync vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
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 versions:
Ubuntu 12.04 ESM:
rsync=C2=A03.0.9-1ubuntu1.3
In general, a standard system update will make all the necessary
changes.
References:
https://www.ubuntu.com/usn/usn-3543-2
https://www.ubuntu.com/usn/usn-3543-1
CVE-2017-16548, CVE-2018-5764