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Sicherheit: Denial of Service in Libtasn1 (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Denial of Service in Libtasn1 (Aktualisierung)
ID: USN-2957-2
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS
Datum: Mo, 2. Mai 2016, 23:04
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4008
Update von: Denial of Service in Libtasn1

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2957-2
May 02, 2016

libtasn1-6 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

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.

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:
http://www.ubuntu.com/usn/usn-2957-2
http://www.ubuntu.com/usn/usn-2957-1
CVE-2016-4008

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



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