CVE-2023-38283
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
29/08/2023
Last modified:
07/09/2023
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.
Impact
Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:openbgpd:openbgpd:*:*:*:*:*:*:*:* | 8.1 (excluding) | |
| cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* | 7.3 (excluding) | |
| cpe:2.3:o:openbsd:openbsd:7.3:-:*:*:*:*:*:* | ||
| cpe:2.3:o:openbsd:openbsd:7.3:errata_001:*:*:*:*:*:* | ||
| cpe:2.3:o:openbsd:openbsd:7.3:errata_002:*:*:*:*:*:* | ||
| cpe:2.3:o:openbsd:openbsd:7.3:errata_003:*:*:*:*:*:* | ||
| cpe:2.3:o:openbsd:openbsd:7.3:errata_004:*:*:*:*:*:* | ||
| cpe:2.3:o:openbsd:openbsd:7.3:errata_005:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig
- https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1
- https://news.ycombinator.com/item?id=37305800
- https://www.openbsd.org/errata73.html



