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CVE-2023-23009

MEDIUMCVSS 6.5/10EPSS 1.61%

Last modified

CVE-2023-23009 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.. EPSS estimates a 1.61% chance of exploitation in the next 30 days.

Description

Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.61%

72.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LibreswanLibreswan4.9
DebianDebian Linux11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-23009?
Libreswan 4.9 allows remote attackers to cause a denial of service (assert failure and daemon restart) via crafted TS payload with an incorrect selector length.
How severe is CVE-2023-23009?
CVE-2023-23009 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23009?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST