CVE-2021-22191
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，攻击者可利用该漏洞可以通过Wireshark的不安全url触发内存破坏，从而触发拒绝服务，并可能运行代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-22191
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via 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:R/S:U/C:L/I:L/A:L
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。 Wireshark 存在安全漏洞，攻击者可利用该漏洞可以通过Wireshark的不安全url触发内存破坏，从而触发拒绝服务，并可能运行代码。
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, <3.4.4 | - |
|
II. Public POCs for CVE-2021-22191
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-22191 (1)
-
https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
Mailing List Discussions for CVE-2021-22191 (1)
Other References for CVE-2021-22191 (3)
-
https://gitlab.com/wireshark/wireshark/-/issues/17232 x_refsource_MISC
-
https://www.wireshark.org/security/wnpa-sec-2021-03.html x_refsource_MISC
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2021-22191
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