USN-3547-1: Libtasn1 vulnerabilities
25 January 2018
Several security issues were fixed in Libtasn1.
Releases
Packages
- libtasn1-6 - Library to manage ASN.1 structures
Details
It was discovered that Libtasn1 incorrectly handled certain files.
If a user were tricked into opening a crafted file, an attacker could possibly
use this to cause a denial of service. This issue only affected Ubuntu 14.04
LTS and Ubuntu 16.04 LTS. (CVE-2017-10790)
It was discovered that Libtasn1 incorrectly handled certain inputs.
An attacker could possibly use this to cause Libtasn1 to hang, resulting
in a denial of service. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17.10. (CVE-2018-6003)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04
In general, a standard system update will make all the necessary changes.