USN-2540-1

It was discovered that GnuTLS did not perform date and time checks on CA certificates, contrary to expectations. This issue only affected Ubuntu 10.04 LTS. (CVE-2014-8155)

Nikos Mavrogiannopoulos discovered that GnuTLS incorrectly verified that signature algorithms matched. A remote attacker could possibly use this issue to downgrade to a disallowed algorithm. This issue only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-0282)

It was discovered that GnuTLS incorrectly verified certificate algorithms. A remote attacker could possibly use this issue to downgrade to a disallowed algorithm. (CVE-2015-0294)

References

Affected packages

Ubuntu:14.04:LTS / gnutls26

Package

Name: gnutls26
Purl: pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.2?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.12.23-12ubuntu2.2

Affected versions

2.*

2.12.23-1ubuntu4

2.12.23-1ubuntu5

2.12.23-12ubuntu1

2.12.23-12ubuntu2

2.12.23-12ubuntu2.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.0.11+really2.12.23-12ubuntu2.2",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.2",
            "binary_name": "libgnutls-dev"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.2",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.2",
            "binary_name": "libgnutls26"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.2",
            "binary_name": "libgnutlsxx27"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2015-0282"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2015-0294"
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}