USN-3288-1: libytnef vulnerabilities

15 May 2017

libytnef could be made to crash or run programs as your login if it opened a specially crafted file.

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Releases

Packages

  • 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04

After a standard system update you need to restart applications using
libytnef, such as Evolution, to make all the necessary changes.

References

Related notices

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