CVE-2023-38283

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.

References

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig

https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1

https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling

https://news.ycombinator.com/item?id=37305800

https://www.openbsd.org/errata73.html

cve.org CVE-2023-38283

nvd.nist.gov CVE-2023-38283

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