CVE-2003-0782 in Ecartis
Summary
by MITRE
Multiple buffer overflows in ecartis before 1.0.0 allow attackers to cause a denial of service and possibly execute arbitrary code.
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Analysis
by VulDB Data Team • 06/29/2021
The vulnerability identified as CVE-2003-0782 affects ecartis versions prior to 1.0.0, representing a critical security flaw that exposes systems to both denial of service attacks and potential remote code execution. This issue stems from multiple buffer overflow conditions within the ecartis email list management software, which is commonly used for managing mailing lists and email distribution systems. The affected software operates by processing email messages and list management commands, making it a prime target for exploitation in environments where email services are critical to operations.
Buffer overflows occur when a program writes more data to a fixed-length buffer than it can accommodate, causing adjacent memory to be overwritten. In the context of ecartis, these vulnerabilities manifest when the software processes malformed input from email messages or list management commands without proper bounds checking. The flaw allows attackers to craft specially crafted email content or command sequences that trigger memory corruption, potentially leading to arbitrary code execution. This vulnerability is particularly dangerous because it can be exploited through normal email interactions, making it accessible to attackers who merely need to send malicious emails to affected systems.
The operational impact of this vulnerability extends beyond simple service disruption, as it can enable attackers to gain unauthorized control over affected systems. When exploited successfully, buffer overflows in ecartis can allow attackers to execute arbitrary code with the privileges of the ecartis process, potentially leading to complete system compromise. The denial of service aspect of this vulnerability means that even unsuccessful exploitation attempts can cause system instability, leading to service interruptions that affect legitimate users and email communication. Organizations relying on ecartis for email list management face significant risk of unauthorized access and data compromise, particularly in environments where email systems are not properly isolated or monitored.
The technical nature of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios. These classifications indicate that the vulnerability involves improper handling of memory allocation and data boundaries within the software's input processing functions. From an attack perspective, this flaw maps to several MITRE ATT&CK tactics including execution through command and scripting interpreter, privilege escalation, and denial of service. The exploitation requires minimal technical expertise and can be automated, making it particularly attractive to threat actors. Organizations should immediately implement mitigations including upgrading to ecartis version 1.0.0 or later, implementing proper input validation, and deploying network segmentation to limit exposure of vulnerable systems. Additionally, regular security assessments and monitoring for unusual email processing activity can help detect potential exploitation attempts.