CVEvulnerability
CVE-2023-38283
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-08-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-754
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.
Affected configurations
• openbgpd openbgpd (< 8.1)
Related
Weakness · CWE (1)
- CWE-754 Improper Check for Unusual or Exceptional Conditions weakness
References
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling Exploit, Third Party Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig Patch
- https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1 Release Notes
- https://news.ycombinator.com/item?id=37305800 Mailing List
- https://www.openbsd.org/errata73.html Release Notes
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling Exploit, Third Party Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig Patch
- https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1 Release Notes
- https://news.ycombinator.com/item?id=37305800 Mailing List
- https://www.openbsd.org/errata73.html Release Notes