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FreeBSD: VID-1AB7357F-A3C2-406A-89FB-FD00E49A71B5: zeek -- potential DoS vulnerabilities

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FreeBSD: VID-1AB7357F-A3C2-406A-89FB-FD00E49A71B5: zeek -- potential DoS vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/19/2023
Created
05/23/2023
Added
05/20/2023
Modified
05/20/2023

Description

Tim Wojtulewicz of Corelight reports:

A specially-crafted series of FTP packets with a CMD

command with a large path followed by a very large number

of replies could cause Zeek to spend a long time processing

the data.

A specially-crafted with a truncated header can cause

Zeek to overflow memory and potentially crash.

A specially-crafted series of SMTP packets can cause

Zeek to generate a very large number of events and take

a long time to process them.

A specially-crafted series of POP3 packets containing

MIME data can cause Zeek to spend a long time dealing

with each individual file ID.

Solution(s)

  • freebsd-upgrade-package-zeek

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