USN-3183-1

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)

References

Affected packages

Ubuntu:14.04:LTS / gnutls26

Package

Name: gnutls26
Purl: pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.6?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.12.23-12ubuntu2.6

Affected versions

2.*

2.12.23-1ubuntu4

2.12.23-1ubuntu5

2.12.23-12ubuntu1

2.12.23-12ubuntu2

2.12.23-12ubuntu2.1

2.12.23-12ubuntu2.2

2.12.23-12ubuntu2.3

2.12.23-12ubuntu2.4

2.12.23-12ubuntu2.5

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.0.11+really2.12.23-12ubuntu2.6",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.6",
            "binary_name": "libgnutls-dev"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.6",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.6",
            "binary_name": "libgnutls26"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.6",
            "binary_name": "libgnutlsxx27"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / gnutls28

Package

Name: gnutls28
Purl: pkg:deb/ubuntu/gnutls28@3.4.10-4ubuntu1.2?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.4.10-4ubuntu1.2

Affected versions

3.*

3.3.15-5ubuntu2

3.3.18-1ubuntu1

3.3.20-1ubuntu1

3.4.9-2ubuntu1

3.4.10-4ubuntu1

3.4.10-4ubuntu1.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "guile-gnutls"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "libgnutls-dev"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.2",
            "binary_name": "libgnutlsxx28"
        }
    ],
    "availability": "No subscription required"
}