CVE-2023-1672

low-risk
Published 2023-07-11

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
ADJACENT_NETWORK / HIGH complexity

Affected Products (4)

Tang

Affected Vendors

Redhat Fedoraproject Tang Project

References (10)

Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-1672
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2180999
Patch https://github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096
https://lists.debian.org/debian-lts-announce/2023/11/msg00004.html
Exploit https://www.openwall.com/lists/oss-security/2023/06/15/1
Third Party Advisory https://access.redhat.com/security/cve/CVE-2023-1672
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=2180999
Patch https://github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096
https://lists.debian.org/debian-lts-announce/2023/11/msg00004.html
Exploit https://www.openwall.com/lists/oss-security/2023/06/15/1
24
/ 100
low-risk
Severity 14/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 10/34 · Low