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CVE-2020-26422

Quick assessment

Affected
The Wireshark Foundation Wireshark
Exploitation
High exploitation probability; assess promptly
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 3.4.0到3.4.1 存在安全漏洞，该漏洞源于QUIC dissector中的缓冲区溢出允许通过包注入或制作捕获文件拒绝服务

CVSS 3.7 · Low EPSS 4.67% · P91

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-26422

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 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:N/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 3.4.0到3.4.1 存在安全漏洞，该漏洞源于QUIC dissector中的缓冲区溢出允许通过包注入或制作捕获文件拒绝服务
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
The Wireshark Foundation Wireshark >=3.4.0, <3.4.2 -

II. Public POCs for CVE-2020-26422

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III. Intelligence Information for CVE-2020-26422

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Vendor Advisories for CVE-2020-26422 (2)

Other References for CVE-2020-26422 (3)

IV. Related Vulnerabilities

Same product: Wireshark
Same vendor: The Wireshark Foundation

V. Comments for CVE-2020-26422

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