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FreeBSD: VID-3DABF5B8-47C0-11EE-8E38-002590C1F29C (CVE-2023-3107): FreeBSD -- Remote denial of service in IPv6 fragment reassembly

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FreeBSD: VID-3DABF5B8-47C0-11EE-8E38-002590C1F29C (CVE-2023-3107): FreeBSD -- Remote denial of service in IPv6 fragment reassembly

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/01/2023
Created
09/05/2023
Added
08/31/2023
Modified
08/31/2023

Description

A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.

Solution(s)

  • freebsd-upgrade-base-12_4-release-p4
  • freebsd-upgrade-base-13_1-release-p9
  • freebsd-upgrade-base-13_2-release-p2

References

  • CVE-2023-3107

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