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Ubuntu 20.04 LTS: USN-4502-1 High: OpenSSL Security Updates

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Calendar Grey May 2, 2016
Scroller Ubuntu
Fedora Security Alert FSA-4828-1 highlights a libgmp flaw that could lead to unexpected terminations.
Libtasn1 could be made to hang if it processed specially crafted data.

Summary

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

Software Description:

- libtasn1-6: Library to manage ASN.1 structures

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu critical vulnerability libtasn1

Update Instructions

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

Ubuntu 16.04 LTS:
  libtasn1-6                      4.7-3ubuntu0.16.04.1

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

References

https://ubuntu.com/security/notices/USN-2957-2

https://ubuntu.com/security/notices/USN-2957-1

CVE-2016-4008

May 02, 2016

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu critical vulnerability libtasn1

Package Information

https://launchpad.net/ubuntu/+source/libtasn1-6/4.7-3ubuntu0.16.04.1

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