CVE-2003-1192 in IA WebMail Server
Summary
by MITRE
Stack-based buffer overflow in IA WebMail Server 3.1.0 allows remote attackers to execute arbitrary code via a long GET request.
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Analysis
by VulDB Data Team • 07/17/2025
The vulnerability identified as CVE-2003-1192 represents a critical stack-based buffer overflow flaw discovered in IA WebMail Server version 3.1.0. This vulnerability resides within the server's handling of HTTP GET requests, creating a pathway for remote attackers to execute arbitrary code on the affected system. The flaw stems from insufficient input validation and bounds checking mechanisms within the web server's request processing logic, specifically when handling overly long parameter strings in GET requests. Such buffer overflows occur when more data is written to a fixed-length buffer than it can accommodate, causing adjacent memory locations to be overwritten and potentially allowing malicious code execution.
The technical implementation of this vulnerability involves the web server's failure to properly validate the length of incoming GET parameters before processing them. When an attacker crafts a GET request containing an excessively long string parameter, the server's parsing routine attempts to store this data in a stack-allocated buffer that lacks proper bounds checking. This condition creates an exploitable scenario where the overflow can overwrite the return address of the calling function, enabling attackers to redirect program execution flow. The vulnerability's classification aligns with CWE-121 Stack-based Buffer Overflow, which specifically addresses buffer overflows occurring in stack memory regions. According to the ATT&CK framework, this represents a code injection technique categorized under T1059.007 Command and Scripting Interpreter: Python, though in this case the attack vector is HTTP request manipulation rather than direct scripting.
The operational impact of CVE-2003-1192 extends beyond simple code execution, potentially allowing full system compromise and unauthorized access to sensitive email data stored on the server. Remote attackers can leverage this vulnerability to gain administrative privileges, install backdoors, or conduct data exfiltration operations. The attack surface is particularly concerning given that the vulnerability affects a web-based email server, making it accessible to anyone capable of sending HTTP requests to the target system. Organizations running IA WebMail Server 3.1.0 face significant risk exposure, as the vulnerability can be exploited without authentication requirements and requires no specialized tools beyond basic HTTP request construction. The exploitability factor is high due to the predictable nature of stack buffer overflows and the availability of well-documented exploitation techniques for similar vulnerabilities in web server software.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security posture improvements. The primary recommendation involves upgrading to a patched version of IA WebMail Server that includes proper input validation and bounds checking mechanisms. System administrators should also implement network-level protections such as intrusion detection systems and web application firewalls to monitor and block suspicious GET requests containing unusually long parameter strings. Additionally, organizations should conduct thorough security assessments of their email infrastructure to identify similar vulnerabilities in other web applications or server components. The implementation of input sanitization practices and stack protection mechanisms such as stack canaries can provide additional defense-in-depth measures. Security monitoring should include logging of unusual request patterns and implementation of automated alerting for potential buffer overflow attempts. Organizations should also consider applying the principle of least privilege to web server processes and regularly review access controls to minimize potential damage from successful exploitation attempts.