CVE-2023-38283

medium

Description

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.

References

https://www.openbsd.org/errata73.html

https://news.ycombinator.com/item?id=37305800

https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig

https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling

Details

Source: Mitre, NVD

Published: 2023-08-29

Updated: 2023-09-07

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Medium