Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-4182

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 3.6.0 和 3.4.0 - 3.4.10版本存在安全漏洞，该漏洞源于RFC 7468解析器发生故障。攻击者可利用该漏洞通过数据包注入或特制的捕获文件造成拒绝服务。

CVSS 7.5 · High EPSS 3.30% · P88

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-4182

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 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 注入漏洞
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 3.6.0 和 3.4.0 - 3.4.10版本存在安全漏洞，该漏洞源于RFC 7468解析器发生故障。攻击者可利用该漏洞通过数据包注入或特制的捕获文件造成拒绝服务。
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-2021-4182

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-4182

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-4182 (2)

Mailing List Discussions for CVE-2021-4182 (2)

Other References for CVE-2021-4182 (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-2021-4184 7.5 HIGH Wireshark 安全漏洞
CVE-2021-4185 7.5 HIGH Wireshark 安全漏洞
CVE-2021-4190 7.5 HIGH Wireshark 输入验证错误漏洞
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-2021-4182

No comments yet

Leave a comment