CVE-2025-1587 in Telecom Billing Management System
Summary
by MITRE • 02/23/2025
A vulnerability was found in SourceCodester Telecom Billing Management System 1.0. It has been rated as critical. This issue affects some unknown processing of the file main.cpp of the component Add New Record. The manipulation of the argument name leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well.
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Analysis
by VulDB Data Team • 05/15/2025
This vulnerability resides within the SourceCodester Telecom Billing Management System version 1.0, specifically in the Add New Record component where the main.cpp file processes user input. The flaw represents a classic buffer overflow condition that occurs when the application fails to properly validate or limit the length of the name argument parameter. Such buffer overflows typically arise when programmers write data to a memory buffer without checking whether the input exceeds the allocated buffer size, creating a condition where adjacent memory locations become overwritten. The vulnerability requires local access for exploitation, meaning an attacker must already have system-level privileges or physical access to the target machine to leverage this weakness. This requirement somewhat limits the attack surface compared to remote exploits but does not eliminate the critical risk associated with the vulnerability.
The technical implementation of this buffer overflow stems from improper input validation within the Add New Record functionality, where the application accepts user-provided name values without adequate bounds checking. When an attacker supplies a name argument exceeding the allocated buffer space, the excess data overflows into adjacent memory regions, potentially corrupting program execution flow, modifying critical variables, or even allowing arbitrary code execution. The attack vector is particularly concerning because the exploit has been publicly disclosed, meaning malicious actors can readily access and utilize the technique without requiring advanced reverse engineering skills. The vulnerability's classification as critical by security analysts indicates the potential for severe impact including system compromise, data corruption, or unauthorized access to sensitive billing information.
The operational impact of this vulnerability extends beyond simple local privilege escalation, as telecom billing systems typically handle sensitive customer data including personal information, payment details, and usage records. A successful exploitation could lead to complete system compromise, allowing attackers to manipulate billing records, access confidential customer information, or disrupt service operations. The local access requirement does not diminish the threat level significantly since telecom environments often have limited physical security controls, and compromised local accounts can provide attackers with substantial leverage. Security professionals should consider this vulnerability in relation to the CWE-121 buffer overflow weakness category, which specifically addresses stack-based buffer overflows where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The attack pattern aligns with the attack technique described in the MITRE ATT&CK framework under the T1059.001 technique for command and scripting interpreter, as exploitation may involve executing malicious code through buffer overflow mechanisms.
Mitigation strategies should focus on immediate code-level fixes including implementing proper input validation, using safe string handling functions, and applying bounds checking before any buffer operations. The system should be updated with patched versions that address the specific buffer overflow in main.cpp, and administrators should implement additional security controls such as privilege separation, input sanitization, and monitoring for anomalous input patterns. Regular security assessments should be conducted to identify similar vulnerabilities in the codebase, and access controls should be strengthened to minimize the risk of local privilege escalation. Organizations using this system should also consider implementing network segmentation, intrusion detection systems, and regular vulnerability scanning to detect potential exploitation attempts. The public disclosure of the exploit necessitates immediate remediation actions, as the vulnerability represents a known threat that can be leveraged by threat actors without requiring advanced technical expertise.