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/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libreswan | Libreswan | 4.9 |
| Debian | Debian Linux | 11.0 |
References
- https://github.com/libreswan/libreswan/issues/954Exploit, Issue Tracking, Patch
- https://www.debian.org/security/2023/dsa-5368Third Party Advisory
- https://github.com/libreswan/libreswan/issues/954Exploit, Issue Tracking, Patch
- https://www.debian.org/security/2023/dsa-5368Third Party Advisory
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.
Are you affected by CVE-2023-23009?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST