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.
Metrics
CVSS 3.1 5.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| bgp | openbgpd | < 8.1 |
References
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handlingExploit, Third Party Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sigPatch
- https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1Release Notes
- https://news.ycombinator.com/item?id=37305800Mailing List
- https://www.openbsd.org/errata73.htmlRelease Notes
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handlingExploit, Third Party Advisory
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sigPatch
- https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1Release Notes
- https://news.ycombinator.com/item?id=37305800Mailing List
- https://www.openbsd.org/errata73.htmlRelease Notes
Timeline
- Published
- Aug 29, 2023
- Last modified
- Nov 10, 2026
- NVD status
- Modified