CVE-2002-0098 in Standard
Summary
by MITRE
Buffer overflow in index.cgi administration interface for Boozt! Standard 0.9.8 allows local users to execute arbitrary code via a long name field when creating a new banner.
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Analysis
by VulDB Data Team • 12/05/2024
The vulnerability identified as CVE-2002-0098 represents a critical buffer overflow flaw within the Boozt! Standard 0.9.8 web application administration interface. This issue specifically affects the index.cgi script which handles banner creation functionality, making it a prime target for local privilege escalation attacks. The vulnerability stems from inadequate input validation and memory management within the web application's banner creation process, where user-supplied data is directly processed without proper bounds checking.
The technical implementation of this buffer overflow occurs when a local attacker submits a specially crafted name field containing an excessive amount of data during banner creation. The index.cgi script fails to validate the length of the input field, allowing the malicious data to overflow the allocated buffer space and overwrite adjacent memory regions. This memory corruption can be exploited to overwrite critical program execution pointers, return addresses, or function variables, ultimately enabling arbitrary code execution with the privileges of the web server process. The vulnerability is classified as a classic stack-based buffer overflow under CWE-121, which directly maps to the ATT&CK technique T1059.007 for command and scripting interpreter execution.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with persistent access to the compromised system. Local users who can interact with the administration interface gain the ability to escalate privileges and potentially compromise the entire web application infrastructure. This vulnerability affects the integrity and confidentiality of the web application's data and can lead to complete system compromise. The attack vector requires local access to the administration interface, making it particularly dangerous in environments where local user privileges are not properly restricted or where users have legitimate access to the system.
Mitigation strategies for CVE-2002-0098 should focus on immediate patching of the Boozt! Standard 0.9.8 application to address the buffer overflow vulnerability. Organizations should implement input validation measures that enforce strict length limits on all user-supplied data, particularly in administrative interfaces. The application should be configured with proper memory protection mechanisms such as stack canaries, address space layout randomization, and non-executable stack protections. Network segmentation and access control measures should be implemented to restrict local access to administrative interfaces, while regular security audits should verify that all input fields are properly validated. Additionally, monitoring and logging should be enhanced to detect unusual patterns in banner creation activities that might indicate exploitation attempts. The vulnerability highlights the importance of secure coding practices and proper input sanitization as outlined in the OWASP Top Ten security principles, specifically addressing the prevention of injection flaws and buffer overflows that can lead to arbitrary code execution.