USN-6499-2

It was discovered that GnuTLS had a timing side-channel when handling certain RSA-PSK key exchanges. A remote attacker could possibly use this issue to recover sensitive information.

References

Affected packages

Ubuntu:Pro:18.04:LTS / gnutls28

Package

Name: gnutls28
Purl: pkg:deb/ubuntu/gnutls28@3.5.18-1ubuntu1.6+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.5.18-1ubuntu1.6+esm1

Affected versions

3.*

3.5.8-6ubuntu3

3.5.17-1ubuntu1

3.5.17-1ubuntu3

3.5.18-1ubuntu1

3.5.18-1ubuntu1.1

3.5.18-1ubuntu1.2

3.5.18-1ubuntu1.3

3.5.18-1ubuntu1.4

3.5.18-1ubuntu1.5

3.5.18-1ubuntu1.6

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.5.18-1ubuntu1.6+esm1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.6+esm1",
            "binary_name": "libgnutls-dane0"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.6+esm1",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.6+esm1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.6+esm1",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.6+esm1",
            "binary_name": "libgnutlsxx28"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-5981",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}