#VU59118 Infinite loop in Wireshark - CVE-2021-4190
Published: December 30, 2021 / Updated: October 16, 2022
Vulnerability identifier: #VU59118
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-4190
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Wireshark
Wireshark
Software vendor:
Wireshark.org
Wireshark.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in Kafka protocol dissector. A remote attacker can send specially crafted traffic over the network, consume all available system resources and cause denial of service conditions.
Remediation
Install updates from vendor's website.