UBUNTU-CVE-2018-12384

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Source
https://ubuntu.com/security/CVE-2018-12384
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-12384.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-12384
Upstream
Downstream
Related
Published
2018-09-04T00:00:00Z
Modified
2025-09-08T16:44:54Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.

References

Affected packages

Ubuntu:14.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.14.04.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.28.4-0ubuntu0.14.04.4

Affected versions

2:3.*

2:3.15.1-1ubuntu1
2:3.15.2-1
2:3.15.3-1
2:3.15.3.1-1
2:3.15.3.1-1.1
2:3.15.3.1-1.1ubuntu1
2:3.15.4-1ubuntu3
2:3.15.4-1ubuntu4
2:3.15.4-1ubuntu5
2:3.15.4-1ubuntu6
2:3.15.4-1ubuntu7
2:3.15.4-1ubuntu7.1
2:3.17-0ubuntu0.14.04.1
2:3.17.1-0ubuntu0.14.04.1
2:3.17.1-0ubuntu0.14.04.2
2:3.17.4-0ubuntu0.14.04.1
2:3.19.2-0ubuntu0.14.04.1
2:3.19.2.1-0ubuntu0.14.04.1
2:3.19.2.1-0ubuntu0.14.04.2
2:3.21-0ubuntu0.14.04.1
2:3.21-0ubuntu0.14.04.2
2:3.23-0ubuntu0.14.04.1
2:3.26.2-0ubuntu0.14.04.3
2:3.28.4-0ubuntu0.14.04.1
2:3.28.4-0ubuntu0.14.04.2
2:3.28.4-0ubuntu0.14.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:3.28.4-0ubuntu0.14.04.4",
            "binary_name": "libnss3"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.14.04.4",
            "binary_name": "libnss3-1d"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.14.04.4",
            "binary_name": "libnss3-dev"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.14.04.4",
            "binary_name": "libnss3-nssdb"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.14.04.4",
            "binary_name": "libnss3-tools"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.16.04.4?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.28.4-0ubuntu0.16.04.4

Affected versions

2:3.*

2:3.19.2-1ubuntu1
2:3.19.2.1-0ubuntu1
2:3.21-1ubuntu2
2:3.21-1ubuntu3
2:3.21-1ubuntu4
2:3.23-0ubuntu0.16.04.1
2:3.26.2-0ubuntu0.16.04.2
2:3.28.4-0ubuntu0.16.04.1
2:3.28.4-0ubuntu0.16.04.2
2:3.28.4-0ubuntu0.16.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:3.28.4-0ubuntu0.16.04.4",
            "binary_name": "libnss3"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.16.04.4",
            "binary_name": "libnss3-1d"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.16.04.4",
            "binary_name": "libnss3-dev"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.16.04.4",
            "binary_name": "libnss3-nssdb"
        },
        {
            "binary_version": "2:3.28.4-0ubuntu0.16.04.4",
            "binary_name": "libnss3-tools"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.35-2ubuntu2.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.35-2ubuntu2.1

Affected versions

2:3.*

2:3.32-1ubuntu3
2:3.34-1ubuntu1
2:3.35-2ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2:3.35-2ubuntu2.1",
            "binary_name": "libnss3"
        },
        {
            "binary_version": "2:3.35-2ubuntu2.1",
            "binary_name": "libnss3-dev"
        },
        {
            "binary_version": "2:3.35-2ubuntu2.1",
            "binary_name": "libnss3-tools"
        }
    ],
    "availability": "No subscription required"
}