Vulnerability in Tang Project
CVE-2023-1672
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Tang Project
- Fedora
- Fedoraproject Fedora — versions 38
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux — versions 8.0, 9.0
- Tang
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2023-1672 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Patch, Third Party Advisory, Issue Tracking)
- github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096 (Patch)
- www.openwall.com/lists/oss-security/2023/06/15/1 (Exploit, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/11/msg00004.html
Frequently asked questions
- What is CVE-2023-1672?
- CVE-2023-1672 is a medium-severity vulnerability in Tang Project, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2023-07-11.
- How severe is CVE-2023-1672?
- Medium severity. CVSS v3 base score is 5.3 out of 10.