CVE-2019-25557 in TwistedBrush Pro Studio
Summary
by MITRE • 03/21/2026
TwistedBrush Pro Studio 24.06 contains a denial of service vulnerability that allows local attackers to crash the application by importing a malformed .srp script file. Attackers can create a .srp file containing an excessively large buffer and import it through the Script Player interface to trigger an application crash.
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Analysis
by VulDB Data Team • 03/27/2026
The vulnerability identified as CVE-2019-25557 affects TwistedBrush Pro Studio version 24.06 and represents a denial of service flaw that can be exploited by local attackers through manipulation of script file imports. This issue manifests when the application processes malformed .srp script files through its Script Player interface, creating a scenario where system stability is compromised. The vulnerability specifically targets the application's handling of buffer management during script processing, making it particularly concerning for users who regularly work with script files or utilize the software's automation features.
The technical root cause of this vulnerability lies in inadequate input validation and buffer handling within the script processing module of TwistedBrush Pro Studio. When a maliciously crafted .srp file containing an excessively large buffer is imported, the application fails to properly manage memory allocation and processing limits. This leads to a buffer overflow condition that ultimately results in application crash and termination. The flaw demonstrates poor defensive programming practices and highlights the absence of proper bounds checking mechanisms during file parsing operations. According to CWE classification, this vulnerability maps to CWE-121, which describes stack-based buffer overflow conditions that occur when insufficient space is allocated for buffers, and CWE-122, which covers heap-based buffer overflows where insufficient memory is allocated for heap operations.
The operational impact of CVE-2019-25557 extends beyond simple application instability, as it can significantly disrupt workflow for users relying on TwistedBrush Pro Studio for graphic design and digital art creation. Local attackers with access to the system can exploit this vulnerability to repeatedly crash the application, potentially causing data loss or requiring system restarts. This denial of service condition can be particularly disruptive in professional environments where artists and designers depend on stable software for their creative processes. The vulnerability is especially concerning because it requires minimal privileges to exploit and can be triggered through normal user interface interactions, making it accessible to any local user with access to the application. From an attack framework perspective, this vulnerability aligns with techniques described in the MITRE ATT&CK framework under the T1499 category, which covers network denial of service attacks, though this particular instance operates at the application level rather than network level.
Mitigation strategies for CVE-2019-25557 should focus on both immediate defensive measures and long-term architectural improvements within the application. Users should avoid importing untrusted .srp script files and maintain regular backups of their work to prevent data loss during potential crashes. Software vendors should implement comprehensive input validation for all file formats, particularly those involving buffer-based operations, and establish proper bounds checking mechanisms. The application should include robust error handling that prevents buffer overflow conditions from causing complete application termination. Additionally, implementing sandboxing techniques for script execution and adding memory protection mechanisms such as stack canaries or address space layout randomization could significantly reduce the exploitability of this vulnerability. Regular security updates and patch management procedures should be established to ensure timely resolution of such issues, and users should be educated about the risks of importing unknown script files into creative applications.