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USN-2957-2: Libtasn1 vulnerability

2 May 2016

Libtasn1 could be made to hang if it processed specially crafted data.

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Releases

Packages

Details

USN-2957-1 fixed a vulnerability in Libtasn1. This update provides the
corresponding update for Ubuntu 16.04 LTS.

Original advisory details:

Pascal Cuoq and Miod Vallat discovered that Libtasn1 incorrectly handled
certain malformed DER certificates. A remote attacker could possibly use
this issue to cause applications using Libtasn1 to hang, resulting in a
denial of service.

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 16.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-2957-1: libtasn1-3-dev, libtasn1-6, libtasn1-6-dev, libtasn1-bin, libtasn1-3, libtasn1-3-bin