PT-2021-23448 · Wireshark+2 · Wireshark+2

Sharon Brizinov · Published 2021-12-30 · Updated 2024-09-30 · CVE-2021-4190

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Wireshark version 3.6.0

Description The issue is related to a large loop in the Kafka dissector, which allows for denial of service via packet injection or crafted capture file.

Recommendations For Wireshark version 3.6.0, consider disabling the Kafka dissector until a patch is available to prevent potential denial of service attacks.

Exploit

Fix

DoS

Weakness Enumeration

CWE-834

Related Identifiers

ALT-PU-2022-1005

ALT-PU-2022-1096

ALT-PU-2022-1599

AZL-9100

CVE-2021-4190

DLA-3906-1

MGASA-2022-0068

OPENSUSE-SU-2022:0375-1

OPENSUSE-SU-2022_0375-1

OPENSUSE-SU-2024:11707-1

SUSE-SU-2022:0375-1

Affected Products

Alt Linux

Suse

Wireshark

References · 48

• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/17811 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-4190 · Security Note
• https://ubuntu.com/security/CVE-2021-4190 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0375-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-4190 · Vendor Advisory
• https://security.gentoo.org/glsa/202210-04 · Vendor Advisory
• https://wireshark.org/security/wnpa-sec-2021-22.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4190 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3906-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ · Vendor Advisory
• https://advisories.mageia.org/MGASA-2022-0068.html · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-4190 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2022-0068 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-4190 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11707-1 · Vendor Advisory