==========================================================================
Ubuntu Security Notice USN-3288-1
May 15, 2017
libytnef vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 LTS
Summary:
libytnef could be made to crash or run programs as your login if it opened
a specially crafted file.
Software Description:
– libytnef: improved decoder for application/ms-tnef attachments
Details:
It was discovered that libytnef incorrectly handled malformed TNEF streams.
If a user were tricked into opening a specially crafted TNEF attachment, an
attacker could cause a denial of service or possibly execute arbitrary
code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
libytnef0 1.5-6ubuntu0.1
After a standard system update you need to restart applications using
libytnef, such as Evolution, to make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-3288-1
CVE-2017-6298, CVE-2017-6299, CVE-2017-6300, CVE-2017-6301,
CVE-2017-6302, CVE-2017-6303, CVE-2017-6304, CVE-2017-6305,
CVE-2017-6306, CVE-2017-6800, CVE-2017-6801, CVE-2017-6802
Package Information:
https://launchpad.net/ubuntu/+source/libytnef/1.5-6ubuntu0.1
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—
