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CVE-2023-1672
Race condition exists in the key generation and rotation functionality
Medium5.3EPSS 0.57%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.57% · top 53% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
tang
All versions: affected
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
Red Hat · Red Hat Enterprise Linux 8
All versions: affected
Red Hat · Red Hat Enterprise Linux 9
All versions: affected
All versions: affected
References (5)
- https://access.redhat.com/security/cve/CVE-2023-1672 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2180999 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096 (opens in a new tab)x_transferred
- https://www.openwall.com/lists/oss-security/2023/06/15/1 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/11/msg00004.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-1672)Record last updated .