Vulnerability CVE-2023-38283


Published: 2023-08-29

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://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

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