CVE-2023-38283
Publication date 29 August 2023
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| openbgpd | 25.10 questing |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Ignored end of standard support | |
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References
Other references
- https://news.ycombinator.com/item?id=37305800
- https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig
- https://www.openbsd.org/errata73.html
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
- https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1
- https://www.cve.org/CVERecord?id=CVE-2023-38283