CVE-2023-38283
Publication date 29 August 2023
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 | 24.10 oracular |
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 | 5.3 · Medium |
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