UBUNTU-CVE-2018-10846

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2018-10846
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10846.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-10846
Upstream
Downstream
Related
Published
2018-08-22T00:00:00Z
Modified
2025-09-08T16:44:51Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N CVSS Calculator
  • 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

References

Affected packages

Ubuntu:Pro:14.04:LTS / gnutls26

Package

Name
gnutls26
Purl
pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.8?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

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
2.12.23-12ubuntu2.6
2.12.23-12ubuntu2.7
2.12.23-12ubuntu2.8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.0.11+really2.12.23-12ubuntu2.8",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.8",
            "binary_name": "libgnutls-dev"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.8",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.8",
            "binary_name": "libgnutls26"
        },
        {
            "binary_version": "2.12.23-12ubuntu2.8",
            "binary_name": "libgnutlsxx27"
        }
    ]
}

Ubuntu:16.04:LTS / gnutls28

Package

Name
gnutls28
Purl
pkg:deb/ubuntu/gnutls28@3.4.10-4ubuntu1.5?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.10-4ubuntu1.5

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
3.4.10-4ubuntu1.2
3.4.10-4ubuntu1.3
3.4.10-4ubuntu1.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "guile-gnutls"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "libgnutls-dev"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.4.10-4ubuntu1.5",
            "binary_name": "libgnutlsxx28"
        }
    ]
}

Ubuntu:18.04:LTS / gnutls28

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.18-1ubuntu1.1

Affected versions

3.*

3.5.8-6ubuntu3
3.5.17-1ubuntu1
3.5.17-1ubuntu3
3.5.18-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "3.5.18-1ubuntu1.1",
            "binary_name": "gnutls-bin"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.1",
            "binary_name": "libgnutls-dane0"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.1",
            "binary_name": "libgnutls-openssl27"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.1",
            "binary_name": "libgnutls28-dev"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.1",
            "binary_name": "libgnutls30"
        },
        {
            "binary_version": "3.5.18-1ubuntu1.1",
            "binary_name": "libgnutlsxx28"
        }
    ]
}