UBUNTU-CVE-2022-39837

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Source
https://ubuntu.com/security/CVE-2022-39837
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-39837.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2022-39837
Upstream
Published
2022-10-25T17:15:00Z
Modified
2025-10-24T04:53:50Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Connected Vehicle Systems Alliance (COVESA) dlt-daemon through 2.18.8. Due to a faulty DLT file parser, a crafted DLT file that crashes the process can be created. This is due to missing validation checks. There is a NULL pointer dereference,

References

Affected packages

Ubuntu:20.04:LTS / dlt-daemon

Package

Name
dlt-daemon
Purl
pkg:deb/ubuntu/dlt-daemon@2.18.4-0.1?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*

2.18.4-0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dlt-daemon",
            "binary_version": "2.18.4-0.1"
        },
        {
            "binary_name": "dlt-tools",
            "binary_version": "2.18.4-0.1"
        },
        {
            "binary_name": "libdlt-dev",
            "binary_version": "2.18.4-0.1"
        },
        {
            "binary_name": "libdlt-examples",
            "binary_version": "2.18.4-0.1"
        },
        {
            "binary_name": "libdlt2",
            "binary_version": "2.18.4-0.1"
        }
    ]
}

Ubuntu:22.04:LTS / dlt-daemon

Package

Name
dlt-daemon
Purl
pkg:deb/ubuntu/dlt-daemon@2.18.6-2?arch=source&distro=jammy

Affected ranges

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

Affected versions

2.*

2.18.6-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "dlt-daemon",
            "binary_version": "2.18.6-2"
        },
        {
            "binary_name": "dlt-tools",
            "binary_version": "2.18.6-2"
        },
        {
            "binary_name": "libdlt-dev",
            "binary_version": "2.18.6-2"
        },
        {
            "binary_name": "libdlt-examples",
            "binary_version": "2.18.6-2"
        },
        {
            "binary_name": "libdlt2",
            "binary_version": "2.18.6-2"
        }
    ]
}