USN-6499-2

Source
https://ubuntu.com/security/notices/USN-6499-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6499-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6499-2
Upstream
Related
Published
2024-01-08T11:39:13.521467Z
Modified
2025-10-13T04:36:42Z
Summary
gnutls28 vulnerability
Details

USN-6499-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding update for Ubuntu 18.04 LTS.

Original advisory details:

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"
                }
            ]
        }
    ]
}