CVE-2021-22173
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 存在安全漏洞，该漏洞源于USB HID解剖器内存泄漏。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-22173
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 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 安全漏洞
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 存在安全漏洞，该漏洞源于USB HID解剖器内存泄漏。
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, <3.4.3 | - |
|
II. Public POCs for CVE-2021-22173
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-22173 (1)
-
https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
Mailing List Discussions for CVE-2021-22173 (1)
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-22173 (3)
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https://gitlab.com/wireshark/wireshark/-/issues/17124 x_refsource_MISC
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https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22173.json x_refsource_CONFIRM
-
https://www.wireshark.org/security/wnpa-sec-2021-01.html x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2021-22173
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