Vulnerability Details CVE-2023-38283
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 27.9%
CVSS Severity
CVSS v3 Score 5.3
References
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
- 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://news.ycombinator.com/item?id=37305800
- https://www.openbsd.org/errata73.html
- https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
- 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://news.ycombinator.com/item?id=37305800
- https://www.openbsd.org/errata73.html
Products affected by CVE-2023-38283
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cpe:2.3:a:openbgpd:openbgpd:*
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cpe:2.3:o:openbsd:openbsd:-
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cpe:2.3:o:openbsd:openbsd:2.0
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cpe:2.3:o:openbsd:openbsd:2.1
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cpe:2.3:o:openbsd:openbsd:2.2
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cpe:2.3:o:openbsd:openbsd:2.3
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cpe:2.3:o:openbsd:openbsd:2.4
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cpe:2.3:o:openbsd:openbsd:2.5
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cpe:2.3:o:openbsd:openbsd:2.6
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cpe:2.3:o:openbsd:openbsd:2.7
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cpe:2.3:o:openbsd:openbsd:2.8
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cpe:2.3:o:openbsd:openbsd:2.9
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cpe:2.3:o:openbsd:openbsd:3.0
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cpe:2.3:o:openbsd:openbsd:3.1
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cpe:2.3:o:openbsd:openbsd:3.2
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cpe:2.3:o:openbsd:openbsd:3.3
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cpe:2.3:o:openbsd:openbsd:3.4
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cpe:2.3:o:openbsd:openbsd:3.5
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cpe:2.3:o:openbsd:openbsd:3.6
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cpe:2.3:o:openbsd:openbsd:3.7
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cpe:2.3:o:openbsd:openbsd:3.8
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cpe:2.3:o:openbsd:openbsd:3.9
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cpe:2.3:o:openbsd:openbsd:4.0
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cpe:2.3:o:openbsd:openbsd:4.1
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cpe:2.3:o:openbsd:openbsd:4.2
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cpe:2.3:o:openbsd:openbsd:4.3
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cpe:2.3:o:openbsd:openbsd:4.4
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cpe:2.3:o:openbsd:openbsd:4.5
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cpe:2.3:o:openbsd:openbsd:4.6
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cpe:2.3:o:openbsd:openbsd:4.7
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cpe:2.3:o:openbsd:openbsd:4.8
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cpe:2.3:o:openbsd:openbsd:4.9
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cpe:2.3:o:openbsd:openbsd:5.0
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cpe:2.3:o:openbsd:openbsd:5.1
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cpe:2.3:o:openbsd:openbsd:5.2
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cpe:2.3:o:openbsd:openbsd:5.3
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cpe:2.3:o:openbsd:openbsd:5.4
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cpe:2.3:o:openbsd:openbsd:5.5
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cpe:2.3:o:openbsd:openbsd:5.6
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cpe:2.3:o:openbsd:openbsd:5.7
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cpe:2.3:o:openbsd:openbsd:5.8
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cpe:2.3:o:openbsd:openbsd:5.9
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cpe:2.3:o:openbsd:openbsd:6.0
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cpe:2.3:o:openbsd:openbsd:6.1
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cpe:2.3:o:openbsd:openbsd:6.2
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cpe:2.3:o:openbsd:openbsd:6.3
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cpe:2.3:o:openbsd:openbsd:6.4
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cpe:2.3:o:openbsd:openbsd:6.5
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cpe:2.3:o:openbsd:openbsd:6.6
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cpe:2.3:o:openbsd:openbsd:6.7
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cpe:2.3:o:openbsd:openbsd:6.9
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cpe:2.3:o:openbsd:openbsd:7.0
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cpe:2.3:o:openbsd:openbsd:7.1
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cpe:2.3:o:openbsd:openbsd:7.2
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cpe:2.3:o:openbsd:openbsd:7.3