- Vulnerability/
- USN-3183-1
USN-3183-1: GnuTLS vulnerabilities
First published: Wed Feb 01 2017(Updated: )
Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remote attacker could possibly use this issue to bypass certain certificate validation measures. This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-7444) Shi Lei discovered that GnuTLS incorrectly handled certain warning alerts. A remote attacker could possibly use this issue to cause GnuTLS to hang, resulting in a denial of service. This issue has only been addressed in Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-8610) It was discovered that GnuTLS incorrectly decoded X.509 certificates with a Proxy Certificate Information extension. A remote attacker could use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2017-5334) It was discovered that GnuTLS incorrectly handled certain OpenPGP certificates. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-5335, CVE-2017-5336, CVE-2017-5337)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libgnutls30 | <3.5.3-5ubuntu1.1 | 3.5.3-5ubuntu1.1 |
| =16.10 | ||
| All of | ||
| ubuntu/libgnutls30 | <3.4.10-4ubuntu1.2 | 3.4.10-4ubuntu1.2 |
| =16.04 | ||
| All of | ||
| ubuntu/libgnutls26 | <2.12.23-12ubuntu2.6 | 2.12.23-12ubuntu2.6 |
| =14.04 | ||
| All of | ||
| ubuntu/libgnutls26 | <2.12.14-5ubuntu3.13 | 2.12.14-5ubuntu3.13 |
| =12.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2016-7444
- https://ubuntu.com/security/CVE-2016-8610
- https://ubuntu.com/security/CVE-2017-5334
- https://ubuntu.com/security/CVE-2017-5335
- https://ubuntu.com/security/CVE-2017-5336
- https://ubuntu.com/security/CVE-2017-5337
- https://ubuntu.com/security/notices/USN-3183-2
- https://ubuntu.com/security/notices/USN-3181-1
- https://launchpad.net/ubuntu/+source/gnutls28/3.5.3-5ubuntu1.1
- https://launchpad.net/ubuntu/+source/gnutls28/3.4.10-4ubuntu1.2
- https://launchpad.net/ubuntu/+source/gnutls26/2.12.23-12ubuntu2.6
- https://launchpad.net/ubuntu/+source/gnutls26/2.12.14-5ubuntu3.13
- https://ubuntu.com/security/notices/USN-3183-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
- agent/severity
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/title
- agent/references
- agent/description
- collector/usn
- source/Ubuntu
- anchor-related/USN-3183-2
- anchor-related/USN-3181-1
- agent/software-canonical-lookup
- agent/tags
- agent/event
- agent/trending
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/16.10
- version/ubuntu ubuntu/16.04
- version/ubuntu ubuntu/14.04
- version/ubuntu ubuntu/12.04