CVE catalog
CVE-2023-1672
tang: CVE-2023-1672
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.57% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tang | sid | 15-3 | fixed |
| Debian | tang | forky | 15-3 | fixed |
| Debian | tang | trixie | 15-2 | fixed |
| Debian | tang | bookworm | 11-2+deb12u1 | fixed |
| Ubuntu | tang | pro | 6-1 | vulnerable |
| Ubuntu | tang | pro | 6-1ubuntu0.1~esm1 | fixed |
| Ubuntu | tang | 20.04 | 7-1build1 | vulnerable |
| Ubuntu | tang | 20.04 | 7-1ubuntu0.1 | vulnerable |
| Ubuntu | tang | 20.04 | 7-1ubuntu0.2 | fixed |
| Ubuntu | tang | 22.04 | 8-3 | vulnerable |
| Ubuntu | tang | 22.04 | 10-3 | vulnerable |
| Ubuntu | tang | 22.04 | 10-4 | vulnerable |
| Ubuntu | tang | 22.04 | 11-1 | vulnerable |
| Ubuntu | tang | 22.04 | 11-1ubuntu0.1 | fixed |
| Ubuntu | tang | pro | 6-1 | vulnerable |
| Ubuntu | tang | pro | 6-1ubuntu0.1~esm1 | fixed |
| Ubuntu | tang | 20.04 | 7-1build1 | vulnerable |
| Ubuntu | tang | 20.04 | 7-1ubuntu0.1 | vulnerable |
| Ubuntu | tang | 20.04 | 7-1ubuntu0.2 | fixed |
| Ubuntu | tang | 22.04 | 8-3 | vulnerable |
| Ubuntu | tang | 22.04 | 10-3 | vulnerable |
| Ubuntu | tang | 22.04 | 10-4 | vulnerable |
| Ubuntu | tang | 22.04 | 11-1 | vulnerable |
| Ubuntu | tang | 22.04 | 11-1ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tang | source | sid | 14-1 | not yet assigned | Not reported | [1038119] |
| Debian | tang | source | forky | 14-1 | not yet assigned | Not reported | [1038119] |
| Debian | tang | source | trixie | 14-1 | not yet assigned | Not reported | [1038119] |
| Debian | tang | source | bookworm | 11-2+deb12u1 | not yet assigned | Not reported | [1038119] |
| Ubuntu | tang | deb | pro | 6-1ubuntu0.1~esm1 | Not reported | USN-6489-1 | Not reported |
| Ubuntu | tang | deb | 20.04 | 7-1ubuntu0.2 | Not reported | USN-6489-1 | Not reported |
| Ubuntu | tang | deb | 22.04 | 11-1ubuntu0.1 | Not reported | USN-6489-1 | Not reported |
| Ubuntu | tang | deb | pro | 6-1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2023-1672 | Not reported |
| Ubuntu | tang | deb | 20.04 | 7-1ubuntu0.2 | Not reported | UBUNTU-CVE-2023-1672 | Not reported |
| Ubuntu | tang | deb | 22.04 | 11-1ubuntu0.1 | Not reported | UBUNTU-CVE-2023-1672 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://access.redhat.com/errata/RHSA-2023:6492]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2023_7022.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-1672]
- [https://osv.dev/vulnerability/DLA-3648-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-1672]
- [https://osv.dev/vulnerability/USN-6489-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-1672]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2853.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]