- Vulnerability/
- USN-3547-1
USN-3547-1: Libtasn1 vulnerabilities
First published: Thu Jan 25 2018(Updated: )
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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libtasn1-6 | <4.12-2.1ubuntu0.1 | 4.12-2.1ubuntu0.1 |
| =17.10 | ||
| All of | ||
| ubuntu/libtasn1-6 | <4.7-3ubuntu0.16.04.3 | 4.7-3ubuntu0.16.04.3 |
| =16.04 | ||
| All of | ||
| ubuntu/libtasn1-6 | <3.4-3ubuntu0.6 | 3.4-3ubuntu0.6 |
| =14.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2017-10790
- https://ubuntu.com/security/CVE-2018-6003
- https://launchpad.net/ubuntu/+source/libtasn1-6/4.12-2.1ubuntu0.1
- https://launchpad.net/ubuntu/+source/libtasn1-6/4.7-3ubuntu0.16.04.3
- https://launchpad.net/ubuntu/+source/libtasn1-6/3.4-3ubuntu0.6
- https://ubuntu.com/security/notices/USN-3547-1 (Advisory)
Frequently Asked Questions
What is USN-3547-1?
USN-3547-1 is the identifier for the Libtasn1 vulnerabilities security advisory.
What is the impact of the Libtasn1 vulnerabilities?
The Libtasn1 vulnerabilities could allow an attacker to cause a denial of service.
Which versions of Ubuntu are affected by the Libtasn1 vulnerabilities?
The Libtasn1 vulnerabilities affect Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 17.10.
How can I fix the Libtasn1 vulnerabilities?
To fix the Libtasn1 vulnerabilities, update the libtasn1-6 package to version 4.12-2.1ubuntu0.1 for Ubuntu 14.04 LTS, version 4.7-3ubuntu0.16.04.3 for Ubuntu 16.04 LTS, and version 4.12-2.1ubuntu0.1 for Ubuntu 17.10.
Where can I find more information about the Libtasn1 vulnerabilities?
You can find more information about the Libtasn1 vulnerabilities in the Ubuntu security advisory USN-3547-1.
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