CVE-2022-50789
Command Injection in SOUND4 dns.php Allows Remote Code Execution
Publication date: 2025-12-30
Last updated on: 2025-12-30
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| sound4 | impact | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by checking for the presence of malicious files with the .dns.pid extension in the /tmp directory, which are created by local authenticated users. Additionally, monitoring HTTP POST requests to the dns.php script that trigger command execution may help identify exploitation attempts. Specific commands to detect this include: 1) Listing suspicious files: `ls -l /tmp/*.dns.pid` 2) Monitoring HTTP POST requests to dns.php using network monitoring tools or web server logs. However, no detailed detection commands are provided in the available information.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include restricting access to the vulnerable dns.php script to prevent unauthenticated HTTP POST requests, ensuring that only trusted and authenticated users can interact with the system, and monitoring and cleaning any malicious files in the /tmp directory with the .dns.pid extension. Applying patches or updates from the vendor when available is also recommended. Specific mitigation commands or steps are not provided in the available information.
Can you explain this vulnerability to me?
This vulnerability is a command injection flaw in SOUND4 IMPACT/FIRST/PULSE/Eco versions up to 2.x. It allows local authenticated users to create malicious files in the /tmp directory with a .dns.pid extension. Then, unauthenticated attackers can execute these malicious commands by sending a single HTTP POST request to the vulnerable dns.php script, which triggers the command execution and subsequently deletes the malicious file.
How can this vulnerability impact me? :
The vulnerability can lead to remote code execution by unauthenticated attackers, allowing them to run arbitrary commands on the affected system. This can result in full compromise of confidentiality, integrity, and availability of the system, potentially leading to data theft, system disruption, or further attacks.