CVE-2023-1672

Public Exploit
Race condition exists in the key generation and rotation functionality

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory openwall.com
Affected: n/a tang
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Fedora Fedora
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-1672 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2180999 issue tracking third party advisory patch
https://github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096 patch
https://www.openwall.com/lists/oss-security/2023/06/15/1 mailing list exploit third party advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00004.html

Frequently Asked Questions

What is the severity of CVE-2023-1672?
CVE-2023-1672 has been scored as a medium severity vulnerability.
How to fix CVE-2023-1672?
To fix CVE-2023-1672, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-1672 being actively exploited in the wild?
It is possible that CVE-2023-1672 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-1672?
CVE-2023-1672 affects n/a tang, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Fedora Fedora.
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