CVE-2019-25623 Overview
CVE-2019-25623 is a denial of service vulnerability affecting Pixarra Luminance Studio version 2.17. The vulnerability allows local attackers to crash the application by providing malformed input through the keyboard interface. By creating a text file containing arbitrary character sequences and triggering the application to process this input, attackers can cause Luminance Studio to become unresponsive or terminate abnormally.
Critical Impact
Local attackers can exploit improper input handling to crash Luminance Studio, disrupting creative workflows and potentially causing loss of unsaved work.
Affected Products
- Pixarra Luminance Studio version 2.17
Discovery Timeline
- 2026-03-23 - CVE CVE-2019-25623 published to NVD
- 2026-03-24 - Last updated in NVD database
Technical Details for CVE-2019-25623
Vulnerability Analysis
This vulnerability is classified under CWE-641 (Improper Restriction of Names for Files and Other Resources). The application fails to properly validate and sanitize input received through its keyboard interface before processing. When malformed character sequences are passed to the application, the input parsing routines do not adequately handle unexpected or malicious data, leading to application instability.
The local attack vector requires an attacker to have access to the system where Luminance Studio is installed. The attack can be executed without any privileges or user interaction, making it relatively straightforward to exploit once local access is obtained.
Root Cause
The root cause of this vulnerability stems from improper input validation within Luminance Studio's text processing functionality. The application does not implement sufficient boundary checks or input sanitization when handling keyboard input, allowing specially crafted character sequences to trigger unexpected behavior in the application's internal state management.
Attack Vector
The attack is executed locally by crafting a text file containing malformed character sequences. When the application attempts to process this input—either through direct keyboard entry or by loading the malicious content—the parsing logic fails to handle the unexpected data properly.
The exploitation involves creating input data with arbitrary character sequences designed to trigger the vulnerability. When this malformed data is processed by Luminance Studio, the application's inability to gracefully handle the input results in a crash or unresponsive state. For technical details on the exploitation mechanism, refer to the Exploit-DB #46130 entry.
Detection Methods for CVE-2019-25623
Indicators of Compromise
- Unexpected application crashes or termination of Luminance Studio processes
- Presence of text files with suspicious or random character sequences in user working directories
- Application hang states requiring forced termination
- Error logs indicating input parsing failures or memory access violations
Detection Strategies
- Monitor for abnormal termination events of the Luminance Studio application process
- Implement file integrity monitoring to detect creation of suspicious text files in directories accessible by the application
- Configure endpoint detection to alert on repeated application crashes within short time periods
Monitoring Recommendations
- Enable application crash logging and review for patterns indicating exploitation attempts
- Monitor system event logs for application fault events related to Luminance Studio
- Deploy endpoint protection solutions that can detect and alert on denial of service attack patterns
How to Mitigate CVE-2019-25623
Immediate Actions Required
- Restrict local access to systems running Luminance Studio to trusted users only
- Consider implementing application allowlisting to control what files can be opened or processed
- Ensure endpoint protection solutions are active and updated on affected systems
- Back up work frequently to minimize potential data loss from application crashes
Patch Information
No official patch information is currently available from Pixarra. Users should monitor the Pixarra homepage for updates and security advisories. For additional vulnerability details, refer to the VulnCheck Advisory for Luminance Studio.
Workarounds
- Limit access to the Luminance Studio application to trusted users only
- Avoid opening or processing text files from untrusted sources within the application
- Consider running the application in a sandboxed environment to contain potential crashes
- Implement file type filtering to prevent processing of unexpected input files
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
