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FreeBSD : zeek -- potential DoS vulnerabilities (60d4d31a-a573-41bd-8c1e-5af7513c1ee9)

high Nessus Plugin ID 167131

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 60d4d31a-a573-41bd-8c1e-5af7513c1ee9 advisory.

 - Tim Wojtulewicz of Corelight reports: Fix an issue where a specially-crafted FTP packet can cause Zeek to spend large amounts of time attempting to search for valid commands in the data stream. Fix a possible overflow in the Zeek dictionary code that may lead to a memory leak.
 Fix an issue where a specially-crafted packet can cause Zeek to spend large amounts of time reporting analyzer violations. Fix a possible assert and crash in the HTTP analyzer when receiving a specially crafted packet. Fix an issue where a specially-crafted HTTP or SMTP packet can cause Zeek to spend a large amount of time attempting to search for filenames within the packet data. Fix two separate possible crashes when converting processed IP headers for logging via the raw_packet event handlers. (60d4d31a-a573-41bd-8c1e-5af7513c1ee9)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://github.com/zeek/zeek/releases/tag/v5.0.3

http://www.nessus.org/u?f1e09ecc

Plugin Details

Severity: High

ID: 167131

File Name: freebsd_pkg_60d4d31aa57341bd8c1e5af7513c1ee9.nasl

Version: 1.2

Type: local

Published: 11/8/2022

Updated: 11/8/2022

Supported Sensors: Nessus

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:zeek, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2022

Vulnerability Publication Date: 11/9/2022