Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbgpd | Openbgpd | < 8.1 |
| Openbsd | Openbsd | < 7.3 |
Related Weaknesses (CWE)
References
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handlingExploitThird 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-handlingExploitThird 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
FAQ
What is CVE-2023-38283?
CVE-2023-38283 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 i...
How severe is CVE-2023-38283?
CVE-2023-38283 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-38283?
Check the references section above for vendor advisories and patch information. Affected products include: Openbgpd Openbgpd, Openbsd Openbsd.