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CVE-2020-26418

Quick assessment

Affected
The 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。 Wireshark 3.4.1版本及之前存在缓冲区错误漏洞，攻击者可利用该漏洞造成内存泄漏。

CVSS 3.1 · Low EPSS 2.96% · P86

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-26418

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 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:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Wireshark 缓冲区错误漏洞
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。 Wireshark 3.4.1版本及之前存在缓冲区错误漏洞，攻击者可利用该漏洞造成内存泄漏。
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
The Wireshark Foundation Wireshark 3.4.0 -

II. Public POCs for CVE-2020-26418

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III. Intelligence Information for CVE-2020-26418

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Vendor Advisories for CVE-2020-26418 (2)

Mailing List Discussions for CVE-2020-26418 (3)

Other References for CVE-2020-26418 (3)

Same Patch Batch · The Wireshark Foundation · 2020-12-11 · 4 CVEs total

CVE-2020-26421 4.2 MEDIUM Wireshark 缓冲区错误漏洞
CVE-2020-26419 3.1 LOW Wireshark 缓冲区错误漏洞
CVE-2020-26420 3.1 LOW Wireshark 安全漏洞

IV. Related Vulnerabilities

Same product: Wireshark
Same vendor: The Wireshark Foundation

V. Comments for CVE-2020-26418

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