CVE-2019-25583 in RarmaRadio
Summary
by MITRE • 03/22/2026
RarmaRadio 2.72.3 contains a denial of service vulnerability in the Username field that allows local attackers to crash the application by submitting excessively long input. Attackers can paste a buffer of 5000 bytes into the Username field via Settings > Network to trigger an application crash.
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Analysis
by VulDB Data Team • 03/27/2026
The vulnerability identified as CVE-2019-25583 affects RarmaRadio version 2.72.3 and represents a classic buffer overflow condition that manifests as a denial of service attack. This flaw exists within the application's handling of user input in the Username field, specifically when processing data through the Settings > Network interface. The vulnerability is classified as a local attack vector, meaning that an attacker must already have access to the system to exploit this weakness, though the impact remains significant for the targeted application.
The technical implementation of this vulnerability stems from inadequate input validation and buffer management within the RarmaRadio application's network configuration module. When a user submits a buffer of 5000 bytes into the Username field, the application fails to properly handle this excessive input length, leading to a memory corruption state that results in application termination. This behavior aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios. The vulnerability demonstrates poor defensive programming practices where the application does not implement proper bounds checking or input sanitization mechanisms before processing user-provided data.
The operational impact of this denial of service vulnerability extends beyond simple application instability, as it provides local attackers with a reliable method to disrupt legitimate user operations and potentially interfere with radio streaming services. Since the vulnerability requires only basic system access and a simple input manipulation technique, it represents a low-barrier attack vector that could be exploited by malicious actors within the local network environment. This weakness particularly affects scenarios where RarmaRadio is used in networked environments where multiple users might be accessing the same system, as the crash could affect all connected users or services dependent on the application's stability. The vulnerability also impacts the application's availability and reliability, as users may experience unexpected service interruptions during normal operations.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and buffer size restrictions within the application's network configuration handling code. The most effective approach involves adding bounds checking to ensure that user input in the Username field does not exceed predetermined safe limits, typically well below the 5000-byte threshold that triggers the crash. Security measures should include input length validation, proper memory management practices, and implementation of defensive programming techniques such as stack canaries or address space layout randomization. Additionally, the application should be updated to version 2.72.4 or later, as vendors typically release patches that address such buffer overflow conditions. This vulnerability also highlights the importance of adhering to secure coding practices and following industry standards such as those defined in the OWASP Top Ten and NIST Cybersecurity Framework to prevent similar issues in future software development cycles. Organizations should also implement network monitoring solutions to detect unusual application behavior that might indicate exploitation attempts and establish proper access controls to limit local system access to authorized users only.