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AUSCERT External Security Bulletin Redistribution
ESB-2021.2398
Wireshark security update
15 July 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Wireshark
Publisher: Wireshark
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-22235
Original Bulletin:
https://www.wireshark.org/docs/relnotes/wireshark-3.2.15.html
https://www.wireshark.org/docs/relnotes/wireshark-3.4.7.html
Comment: This bulletin contains two (2) Wireshark security advisories.
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Wireshark 3.2.15 Release Notes
What is Wireshark?
Wireshark is the world's most popular network protocol analyzer. It is used for
troubleshooting, analysis, development and education.
What's New
Bug Fixes
The following vulnerabilities have been fixed:
o wnpa-sec-2021-06 DNP dissector crash. Issue 17462. CVE-2021-22235.
The following bugs have been fixed:
o No wlan_radio.duration calculated for PHY type: 802.11ac (VHT) Issue 17419.
o NAN Dissector has wrong minimum length for availability attribute Issue
17431.
New and Updated Features
There are no new features in this release.
New Protocol Support
There are no new protocols in this release.
Updated Protocol Support
DNP, GTPv2, IEEE 802.11 Radio, NAN, NR RRC, OSPF, pcapng, PNIO, RSL, and Snort
config
New and Updated Capture File Support
Catapult DCT2000, ERF, and pcap
Getting Wireshark
Wireshark source code and installation packages are available from https://
www.wireshark.org/download.html.
Vendor-supplied Packages
Most Linux and Unix vendors supply their own Wireshark packages. You can
usually install or upgrade Wireshark using the package management system
specific to that platform. A list of third-party packages can be found on the
download page on the Wireshark web site.
File Locations
Wireshark and TShark look in several different locations for preference files,
plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary from platform
to platform. You can use About->Folders to find the default locations on your
system.
Getting Help
The User's Guide, manual pages and various other documentation can be found at
https://www.wireshark.org/docs/
Community support is available on Wireshark's Q&A site and on the
wireshark-users mailing list. Subscription information and archives for all of
Wireshark's mailing lists can be found on the web site.
Issues and feature requests can be reported on the issue tracker.
Frequently Asked Questions
A complete FAQ is available on the Wireshark web site.
Last updated 2021-07-14 16:31:08 UTC
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Wireshark 3.4.7 Release Notes
What is Wireshark?
Wireshark is the world's most popular network protocol analyzer. It is used for
troubleshooting, analysis, development and education.
What's New
Bug Fixes
The following vulnerabilities have been fixed:
o wnpa-sec-2021-06 DNP dissector crash. Issue 17462. CVE-2021-22235.
The following bugs have been fixed:
o TCP dissector - Erroneous DSACK reporting Issue 17315.
o No wlan_radio.duration calculated for PHY type: 802.11ac (VHT) Issue 17419.
o NAN Dissector has wrong minimum length for availability attribute Issue
17431.
New and Updated Features
New Protocol Support
There are no new protocols in this release.
Updated Protocol Support
ASTERIX, BT LE LL, DCE RPC, DNP, GTPv2, IEEE 802.11 Radio, LDAP, NAN,
NORDIC_BLE, NR RRC, OSPF, pcapng, PNIO, RSL, S101, Snort config, and TCP
New and Updated Capture File Support
Catapult DCT2000, ERF, and pcap
Getting Wireshark
Wireshark source code and installation packages are available from https://
www.wireshark.org/download.html.
Vendor-supplied Packages
Most Linux and Unix vendors supply their own Wireshark packages. You can
usually install or upgrade Wireshark using the package management system
specific to that platform. A list of third-party packages can be found on the
download page on the Wireshark web site.
File Locations
Wireshark and TShark look in several different locations for preference files,
plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary from platform
to platform. You can use About -> Folders to find the default locations on your
system.
Getting Help
The User's Guide, manual pages and various other documentation can be found at
https://www.wireshark.org/docs/
Community support is available on Wireshark's Q&A site and on the
wireshark-users mailing list. Subscription information and archives for all of
Wireshark's mailing lists can be found on the web site.
Issues and feature requests can be reported on the issue tracker.
Frequently Asked Questions
A complete FAQ is available on the Wireshark web site.
Last updated 2021-07-14 16:36:15 UTC
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