UBUNTU-CVE-2023-1672

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2023-1672
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-1672.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-1672
Upstream
Downstream
Related
Published
2023-07-11T12:15:00Z
Modified
2025-09-08T16:55:38Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A race condition exists in the Tang server functionality for key generation and key rotation. This flaw results in a small time window where Tang private keys become readable by other processes on the same host.

References

Affected packages

Ubuntu:Pro:18.04:LTS / tang

Package

Name
tang
Purl
pkg:deb/ubuntu/tang@6-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6-1ubuntu0.1~esm1

Affected versions

Other

6-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tang",
            "binary_version": "6-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "tang-nagios",
            "binary_version": "6-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:20.04:LTS / tang

Package

Name
tang
Purl
pkg:deb/ubuntu/tang@7-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7-1ubuntu0.2

Affected versions

Other

7-1build1

7-1ubuntu0.*

7-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tang",
            "binary_version": "7-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / tang

Package

Name
tang
Purl
pkg:deb/ubuntu/tang@11-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
11-1ubuntu0.1

Affected versions

Other

8-3
10-3
10-4
11-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tang",
            "binary_version": "11-1ubuntu0.1"
        },
        {
            "binary_name": "tang-common",
            "binary_version": "11-1ubuntu0.1"
        },
        {
            "binary_name": "tang-xinetd",
            "binary_version": "11-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}