Home / mailings [USN-3309-1] Libtasn1 vulnerability
Posted on 05 June 2017
Ubuntu Security==========================
==========================
========================
Ubuntu Security Notice USN-3309-1
June 05, 2017
libtasn1-6 vulnerability
==========================
==========================
========================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Libtasn1 could be made to crash or run programs as your login if it opene=
d
a specially crafted file.
Software Description:
- libtasn1-6: Library to manage ASN.1 structures
Details:
Jakub Jirasek discovered that GnuTLS incorrectly handled certain
assignments files. If a user were tricked into processing a specially
crafted assignments file, a remote attacker could possibly execute arbira=
ry
code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.04:
libtasn1-6 4.10-1ubuntu0.1
Ubuntu 16.10:
libtasn1-6 4.9-4ubuntu0.1
Ubuntu 16.04 LTS:
libtasn1-6 4.7-3ubuntu0.16.04.2
Ubuntu 14.04 LTS:
libtasn1-6 3.4-3ubuntu0.5
In general, a standard system update will make all the necessary changes.=
References:
https://www.ubuntu.com/usn/usn-3309-1
CVE-2017-6891
Package Information:
https://launchpad.net/ubuntu/+source/libtasn1-6/4.10-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libtasn1-6/4.9-4ubuntu0.1
https://launchpad.net/ubuntu/+source/libtasn1-6/4.7-3ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/libtasn1-6/3.4-3ubuntu0.5
--qWgqeHPthIPjPQIU7D8SwAxNBdqocb7ne--