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CVE-2021-39196— Authenticated non-privileged user can request unfiltered data without adequate permissions in pcapture

Quick assessment

Affected
jdhwpgmbca pcapture
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.

Github pcapture是该项目使用 Quarkus，即超音速亚原子 Java 框架。 pcapture 存在代码问题漏洞，该漏洞允许经过身份验证但没有特权的用户使用REST API捕获和下载数据包，而不需要捕获过滤器和足够的权限。

CVSS 7.7 · High EPSS 1.25% · P67
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I. Basic Information for CVE-2021-39196

Vulnerability Information
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Vulnerability Title
Authenticated non-privileged user can request unfiltered data without adequate permissions in pcapture
Source: CVE Program / CVE List V5
Vulnerability Description
pcapture is an open source dumpcap web service interface . In affected versions this vulnerability allows an authenticated but unprivileged user to use the REST API to capture and download packets with no capture filter and without adequate permissions. This is important because the capture filters can effectively limit the scope of information that a user can see in the data captures. If no filter is present, then all data on the local network segment where the program is running can be captured and downloaded. v3.12 fixes this problem. There is no workaround, you must upgrade to v3.12 or greater.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Github pcapture 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Github pcapture是该项目使用 Quarkus，即超音速亚原子 Java 框架。 pcapture 存在代码问题漏洞，该漏洞允许经过身份验证但没有特权的用户使用REST API捕获和下载数据包，而不需要捕获过滤器和足够的权限。
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
jdhwpgmbca pcapture < 3.12 -

II. Public POCs for CVE-2021-39196

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III. Intelligence Information for CVE-2021-39196

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Patches & Fixes for CVE-2021-39196 (1)

Vendor Advisories for CVE-2021-39196 (1)

Other References for CVE-2021-39196 (1)

IV. Related Vulnerabilities

Same weakness: CWE-287

V. Comments for CVE-2021-39196

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