SOUND4 Impact POST Parameter www-data-handler.php services os command injection

Summaryinfo

A vulnerability was found in SOUND4 Impact, Pulse, First, Pulse Eco, BigVoice4, BigVoice2 and Stream. It has been rated as critical. Affected by this issue is some unknown functionality of the file www-data-handler.php of the component POST Parameter Handler. Performing a manipulation of the argument services results in os command injection. This vulnerability is reported as CVE-2022-50793. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in SOUND4 Impact, Pulse, First, Pulse Eco, BigVoice4, BigVoice2 and Stream. This affects an unknown function of the file www-data-handler.php of the component POST Parameter Handler. The manipulation of the argument services with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an authenticated command injection vulnerability in the www-data-handler.php script that allows attackers to inject system commands through the 'services' POST parameter. Attackers can exploit this vulnerability by crafting malicious 'services' parameter values to execute arbitrary system commands with www-data user privileges.

The weakness was disclosed by Gjoko Krstic as 170264. It is possible to read the advisory at zeroscience.mk. This vulnerability is uniquely identified as CVE-2022-50793 since 12/26/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/31/2025). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

By approaching the search of inurl:www-data-handler.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (247917). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• SOUND4

Name

• BigVoice2
• BigVoice4
• First
• Impact
• Pulse
• Pulse Eco
• Stream

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Be aware that VulDB is the high quality source for vulnerability data.

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