CVE-2021-39925
Quick assessment
Affected
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 存在输入验证错误漏洞，该漏洞源于远程攻击者可利用该漏洞可以通过应用程序发送特制的数据包，并执行拒绝服务(DoS)攻击。该漏洞允许远程攻击者可利用该漏洞执行拒绝服务(DoS)攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-39925
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer overflow in the Bluetooth SDP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 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。 Wireshark 存在输入验证错误漏洞，该漏洞源于远程攻击者可利用该漏洞可以通过应用程序发送特制的数据包，并执行拒绝服务(DoS)攻击。该漏洞允许远程攻击者可利用该漏洞执行拒绝服务(DoS)攻击。
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 | >=3.4.0, <3.4.10 | - |
|
II. Public POCs for CVE-2021-39925
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-39925 (2)
-
https://www.debian.org/security/2021/dsa-5019 vendor-advisory
-
https://security.gentoo.org/glsa/202210-04 vendor-advisory
Mailing List Discussions for CVE-2021-39925 (3)
Other References for CVE-2021-39925 (2)
Same Patch Batch · Wireshark Foundation · 2021-11-19 · 7 CVEs total
| CVE-2021-39923 | 7.5 HIGH | Wireshark 代码问题漏洞 |
| CVE-2021-39921 | 7.5 HIGH | Wireshark 代码问题漏洞 |
| CVE-2021-39922 | 7.5 HIGH | Wireshark 输入验证错误漏洞 |
| CVE-2021-39924 | 7.5 HIGH | Wireshark 安全漏洞 |
| CVE-2021-39926 | 7.5 HIGH | Wireshark 输入验证错误漏洞 |
| CVE-2021-39929 | 7.5 HIGH | Wireshark 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-39925
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