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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.

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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.

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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-bin, libtasn1-6, libtasn1-3, libtasn1-6-dev, libtasn1-3-dev, libtasn1-bin

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Further reading