USN-3288-1: libytnef vulnerabilities
Ubuntu Security Notice USN-3288-1
15th May, 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 version:
- Ubuntu 14.04 LTS:
-
libytnef0
1.5-6ubuntu0.1
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart applications using
libytnef, such as Evolution, to make all the necessary changes.
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