[USN-3288-1] libytnef vulnerabilities
marc.deslauriers at canonical.com
Mon May 15 17:33:10 UTC 2017
Ubuntu Security Notice USN-3288-1
May 15, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
libytnef could be made to crash or run programs as your login if it opened
a specially crafted file.
- libytnef: improved decoder for application/ms-tnef attachments
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
The problem can be corrected by updating your system to the following
Ubuntu 14.04 LTS:
After a standard system update you need to restart applications using
libytnef, such as Evolution, to make all the necessary changes.
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
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