What is CVE-2023-38283?

CVE-2023-38283 is a medium-severity vulnerability in Openbgpd, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2023-08-29.

How severe is CVE-2023-38283?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Openbgpd

CVE-2023-38283

In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.

EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Openbgpd
Openbsd — versions 7.3
N/a — versions n/a

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

cve@mitre.org (Patch)
cve@mitre.org (Release Notes)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Mailing List)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2023-38283?: CVE-2023-38283 is a medium-severity vulnerability in Openbgpd, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.3/10. Published 2023-08-29.
How severe is CVE-2023-38283?: Medium severity. CVSS v3 base score is 5.3 out of 10.