Command Injection Vulnerability in GL.iNet Devices
CVE-2023-31473

4.9MEDIUM

Key Information:

Vendor

Gl-inet

Status
Gl-s20 Firmware
Vendor
CVE Published:
11 May 2023

What is CVE-2023-31473?

A command injection vulnerability was found in GL.iNet devices running software versions prior to 3.216. This flaw allows attackers to exploit the software installation feature to inject arbitrary parameters into a request. By doing so, malicious actors can manipulate the system to create an empty file anywhere within the filesystem due to a flawed filter mechanism. The potential for using 'opkg' with root privileges escalates the severity, as it lets unauthorized users read or modify sensitive configuration files by specifying arbitrary filenames.

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References

https://www.gl-inet.com
https://github.com/gl-inet/CVE-issues/blob/main/3.215/Arb...

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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