Is CVE-2023-1672 in the CISA KEV catalog?

No. CVE-2023-1672 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-1672?

CVE-2023-1672 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-1672?

CVE-2023-1672 has an EPSS score of 0.57% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-1672?

Upgrade tang on debian 11 to 8-3+deb11u2 or later. Fixes are available for 9 affected products.

CVE & CISA-KEV Catalog

CVE-2023-1672

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-362Race Condition

How to fix

Remediation Available

tangDebian

Fixed in:8-3+deb11u2CVE-2023-1672

Fixed in:11-2+deb12u1CVE-2023-1672

Fixed in:14-1CVE-2023-1672

tangRed Hat / RHEL

Fixed in:0:7-8.el8RHSA-2023:7022

Fixed in:0:14-2.el9RHSA-2023:6492

tangRocky

Fixed in:0:7-8.el8RHSA-2023:7022

Fixed in:0:14-2.el9RHSA-2023:6492

tang-debuginfoRocky

Fixed in:0:7-8.el8RHSA-2023:7022

Fixed in:0:14-2.el9RHSA-2023:6492

tang-debuginfoRed Hat / RHEL

Fixed in:0:7-8.el8RHSA-2023:7022

Fixed in:0:14-2.el9RHSA-2023:6492

tang-debugsourceRocky

Fixed in:0:7-8.el8RHSA-2023:7022

Fixed in:0:14-2.el9RHSA-2023:6492

tang-debugsourceRed Hat / RHEL

Fixed in:0:7-8.el8RHSA-2023:7022

Fixed in:0:14-2.el9RHSA-2023:6492

tangUbuntu

Fixed in:6-1ubuntu0.1~esm1USN-6489-1

Fixed in:7-1ubuntu0.2USN-6489-1

Fixed in:11-1ubuntu0.1USN-6489-1

Fixed in:11-2ubuntu0.1USN-6489-1

tang-commonUbuntu

Fixed in:11-1ubuntu0.1USN-6489-1

Fixed in:11-2ubuntu0.1USN-6489-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.57%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Patch2

Exploit1

openwall.com

Third-Party Advisory1

access.redhat.com

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.