CVE-2009-1058 in ZipGenius
Summary
by MITRE
Stack-based buffer overflow in ZipGenius might allow remote attackers to execute arbitrary code via a crafted .zip file that triggers an SEH overwrite. NOTE: it is possible that this overlaps CVE-2005-3317. NOTE: CVE has not investigated whether the specified file.zip file can be used for exploitation of this product.
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Analysis
by VulDB Data Team • 11/24/2024
The vulnerability identified as CVE-2009-1058 represents a critical stack-based buffer overflow within ZipGenius software that creates significant remote execution risks for affected systems. This flaw exists in the handling of compressed archive files and specifically targets the structured exception handling mechanism within the application. The vulnerability stems from inadequate input validation when processing specially crafted .zip files that contain malformed data structures designed to overflow the stack buffer and overwrite the structured exception handler. This particular weakness allows malicious actors to manipulate the program flow by overwriting the structured exception handler record, which is a well-documented exploitation technique that aligns with attack patterns described in the MITRE ATT&CK framework under the technique of "Exploitation for Code Execution". The vulnerability is classified as a stack-based buffer overflow, which corresponds to CWE-121, indicating insufficient space in the stack buffer to accommodate data being written to it.
The technical implementation of this vulnerability involves the manipulation of compressed archive files to trigger memory corruption during decompression operations. When ZipGenius processes a maliciously crafted .zip file, the application fails to properly validate the size and structure of compressed data before writing it to stack memory locations. This inadequate bounds checking creates an exploitable condition where an attacker can precisely control the memory layout to overwrite the structured exception handler, effectively redirecting program execution to malicious code. The flaw demonstrates a classic stack buffer overflow pattern where the application writes more data to a fixed-size stack buffer than it can accommodate, causing adjacent memory locations to be overwritten including the saved base pointer and return address. The overlap with CVE-2005-3317 suggests this may represent a similar class of vulnerability in the same software family or product line, indicating a persistent flaw in the implementation of archive processing functions that has remained unpatched across multiple versions.
The operational impact of this vulnerability extends beyond simple code execution capabilities to encompass complete system compromise when exploited successfully. Remote attackers can leverage this weakness to execute arbitrary code with the privileges of the ZipGenius process, which typically runs with user-level permissions but could potentially be elevated through additional attack vectors. The vulnerability creates a persistent threat surface that can be exploited through various attack vectors including email attachments, web downloads, or file sharing platforms where .zip files are commonly distributed. System administrators face significant challenges in mitigating this risk since the vulnerability can be triggered through legitimate file processing operations, making it difficult to distinguish between benign and malicious file handling. The attack surface is particularly concerning in enterprise environments where automated file processing systems might encounter these malicious archives without proper security controls in place, potentially leading to widespread compromise across multiple systems.
Mitigation strategies for CVE-2009-1058 should focus on both immediate defensive measures and long-term architectural improvements to prevent similar vulnerabilities from occurring in the future. The most effective immediate solution involves applying vendor patches or updates that address the buffer overflow condition in ZipGenius software, ensuring proper bounds checking and input validation of compressed file data. Organizations should implement network-based controls such as file type filtering and content inspection systems that can identify and block potentially malicious .zip files before they reach end-user systems. Security professionals should also consider implementing application whitelisting policies that restrict execution of untrusted archive processing software and establish strict file validation procedures for all compressed content. From a defensive perspective, the implementation of stack canaries, address space layout randomization, and other exploit mitigations can provide additional layers of protection against exploitation attempts. The vulnerability highlights the importance of following secure coding practices and adhering to industry standards such as those defined in the OWASP Top Ten and the CERT/CC Secure Coding Standards to prevent similar issues in software development processes. Organizations should also maintain comprehensive incident response procedures that account for potential exploitation of archive processing vulnerabilities, including monitoring for unusual file processing patterns and implementing proper threat intelligence feeds to identify new variants of malicious archive files.