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CVE-2021-4190

Quick assessment

Affected
Wireshark Foundation Wireshark
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wireshark（前称Ethereal）是Wireshark团队的一套网络数据包分析软件。该软件的功能是截取网络数据包，并显示出详细的数据以供分析。Gryphon dissector是其中的一个Gryphon协议解析器。 Wireshark 中存在输入验证错误漏洞，该漏洞源于产品未对Kafka报文进行有效处理。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：Wireshark 3.6.0。

CVSS 7.5 · High EPSS 3.10% · P87

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-4190

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Wireshark 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wireshark（前称Ethereal）是Wireshark团队的一套网络数据包分析软件。该软件的功能是截取网络数据包，并显示出详细的数据以供分析。Gryphon dissector是其中的一个Gryphon协议解析器。 Wireshark 中存在输入验证错误漏洞，该漏洞源于产品未对Kafka报文进行有效处理。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：Wireshark 3.6.0。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wireshark Foundation Wireshark =3.6.0 -

II. Public POCs for CVE-2021-4190

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III. Intelligence Information for CVE-2021-4190

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Vendor Advisories for CVE-2021-4190 (1)

Mailing List Discussions for CVE-2021-4190 (2)

Other References for CVE-2021-4190 (3)

Same Patch Batch · Wireshark Foundation · 2021-12-30 · 7 CVEs total

CVE-2021-4181 7.5 HIGH Wireshark 缓冲区错误漏洞
CVE-2021-4182 7.5 HIGH Wireshark 注入漏洞
CVE-2021-4184 7.5 HIGH Wireshark 安全漏洞
CVE-2021-4185 7.5 HIGH Wireshark 安全漏洞
CVE-2021-4186 6.3 MEDIUM Wireshark 代码问题漏洞
CVE-2021-4183 5.5 MEDIUM Wireshark 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Wireshark
Same vendor: Wireshark Foundation

V. Comments for CVE-2021-4190

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