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CVE-2023-22496— Netdata vulnerable to command injection

Quick assessment

Affected
netdata netdata
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.

Netdata是Netdata开源的一个高保真基础设施监控和故障排除应用程序。 Netdata 存在命令注入漏洞，该漏洞源于能够建立流连接的攻击者可以在目标代理上执行任意命令，可能允许攻击者以该用户身份升级系统中的其他漏洞来升级权限。

CVSS 8.1 · High EPSS 36.17% · P98
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I. Basic Information for CVE-2023-22496

Vulnerability Information
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Vulnerability Title
Netdata vulnerable to command injection
Source: CVE Program / CVE List V5
Vulnerability Description
Netdata is an open source option for real-time infrastructure monitoring and troubleshooting. An attacker with the ability to establish a streaming connection can execute arbitrary commands on the targeted Netdata agent. When an alert is triggered, the function `health_alarm_execute` is called. This function performs different checks and then enqueues a command by calling `spawn_enq_cmd`. This command is populated with several arguments that are not sanitized. One of them is the `registry_hostname` of the node for which the alert is raised. By providing a specially crafted `registry_hostname` as part of the health data that is streamed to a Netdata (parent) agent, an attacker can execute arbitrary commands at the remote host as a side-effect of the raised alert. Note that the commands are executed as the user running the Netdata Agent. This user is usually named `netdata`. The ability to run arbitrary commands may allow an attacker to escalate privileges by escalating other vulnerabilities in the system, as that user. The problem has been fixed in: Netdata agent v1.37 (stable) and Netdata agent v1.36.0-409 (nightly). As a workaround, streaming is not enabled by default. If you have previously enabled this, it can be disabled. Limiting access to the port on the recipient Agent to trusted child connections may mitigate the impact of this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Netdata 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netdata是Netdata开源的一个高保真基础设施监控和故障排除应用程序。 Netdata 存在命令注入漏洞，该漏洞源于能够建立流连接的攻击者可以在目标代理上执行任意命令，可能允许攻击者以该用户身份升级系统中的其他漏洞来升级权限。
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
netdata netdata < 1.36.0-409 -

II. Public POCs for CVE-2023-22496

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III. Intelligence Information for CVE-2023-22496

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Vendor Advisories for CVE-2023-22496 (1)

IV. Related Vulnerabilities

Same product: netdata
Same vendor: netdata
Same weakness: CWE-20

V. Comments for CVE-2023-22496

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