NULL pointer exception in the IPPUSB dissector in... · CVE-2021-39920 · GitHub Advisory Database · GitHub

NULL pointer exception in the IPPUSB dissector in...

High severity Unreviewed Published Nov 19, 2021 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

References

Published by the National Vulnerability Database

Nov 18, 2021

Published to the GitHub Advisory Database Nov 19, 2021

Last updated Jan 30, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H