CVE-2025-4891 Overview
CVE-2025-4891 is a buffer overflow vulnerability in code-projects Police Station Management System 1.0. The flaw resides in the criminal::display function within source.cpp, part of the Display Record component. Manipulation of the argument N triggers the buffer overflow condition.
Exploitation requires local access with low privileges. The exploit has been publicly disclosed, which increases the likelihood of opportunistic use against exposed installations. The vulnerability is classified under [CWE-119] and [CWE-120], both covering improper restriction of operations within memory buffers.
Critical Impact
Local attackers with low privileges can trigger a buffer overflow in the criminal::display function, potentially corrupting memory and affecting confidentiality, integrity, and availability of the application.
Affected Products
- code-projects Police Station Management System 1.0
- Component: Display Record (source.cpp)
- Function: criminal::display
Discovery Timeline
- 2025-05-18 - CVE-2025-4891 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-4891
Vulnerability Analysis
The vulnerability exists in the criminal::display function of source.cpp in the Display Record component. The function fails to validate the size or bounds of the N argument before using it in a memory operation. This lack of bounds checking allows a locally authenticated user to supply an oversized or malformed value that exceeds the destination buffer's capacity.
Because the application is written in C++ and does not enforce safe memory handling, writing past the buffer boundary can overwrite adjacent stack or heap memory. This corruption can crash the process or, in some scenarios, lead to controlled memory manipulation. The CWE classifications [CWE-119] and [CWE-120] identify this as a classic buffer copy without checking the size of input.
Root Cause
The root cause is missing input validation on the N parameter passed to criminal::display. The function assumes trusted input length and copies data into a fixed-size buffer without enforcing boundary constraints. This design pattern is common in academic and demonstration code but unsafe for production use.
Attack Vector
Exploitation requires local access to the host running the application and low-privilege user credentials. An attacker interacts with the Display Record feature and supplies a crafted value for argument N. No user interaction beyond the attacker's own input is required. The public disclosure of exploitation details lowers the barrier for reproduction.
No verified proof-of-concept code is available in the referenced sources. Refer to the GitHub CVE Documentation for the disclosed technical write-up.
Detection Methods for CVE-2025-4891
Indicators of Compromise
- Unexpected crashes or abnormal termination of the Police Station Management System process on affected hosts.
- Core dumps or Windows Error Reporting entries referencing source.cpp or the criminal::display function.
- Unusual local user activity submitting overlong input strings to the Display Record feature.
Detection Strategies
- Monitor process telemetry for abnormal exits, access violations, or stack corruption events originating from the Police Station Management System binary.
- Deploy behavioral endpoint monitoring to identify memory corruption attempts against local C++ applications.
- Correlate local logon events with application crash telemetry to identify low-privilege users triggering repeated failures.
Monitoring Recommendations
- Enable application crash logging and forward events to a centralized SIEM for correlation.
- Track file access patterns to source.cpp-derived binaries and inspect any input that exceeds expected field length.
- Baseline normal usage of the Display Record component to flag anomalous invocation frequency or input size.
How to Mitigate CVE-2025-4891
Immediate Actions Required
- Restrict local access to systems running Police Station Management System 1.0 to trusted administrative users only.
- Remove or disable the application in production or shared environments until a fixed release is available.
- Audit local user accounts and enforce least-privilege access on any host running the affected software.
Patch Information
No vendor patch has been published in the referenced advisories at the time of writing. Consult the VulDB #309444 Advisory and the Code Projects Security Resource for updates on remediation status.
Workarounds
- Isolate the affected application on a dedicated host with strict access controls and no untrusted local users.
- If source code is available, add explicit bounds checking on the N argument in criminal::display before any buffer operation.
- Replace unsafe string and memory copy routines with length-checked equivalents such as strncpy_s or std::string with validated size limits.
- Consider migrating to a supported alternative product, since this software appears to be an academic project without an active security maintenance channel.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
