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FreeBSD: VID-FE7031D3-3000-4B43-9FA6-52C2B624B8F9: zeek -- potential DoS vulnerability

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FreeBSD: VID-FE7031D3-3000-4B43-9FA6-52C2B624B8F9: zeek -- potential DoS vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/05/2024
Created
10/08/2024
Added
10/06/2024
Modified
10/06/2024

Description

Tim Wojtulewicz of Corelight reports:

Adding to the POP3 hardening in 7.0.2, the parser now

simply discards too many pending commands, rather than

any attempting to process them. Further, invalid server

responses do not result in command completion anymore.

Processing out-of-order commands or finishing commands

based on invalid server responses could result in

inconsistent analyzer state, potentially triggering null

pointer references for crafted traffic.

Solution(s)

  • freebsd-upgrade-package-zeek

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