CVE-2008-3520 in Jasper
Summary
by MITRE
Multiple integer overflows in JasPer 1.900.1 might allow context-dependent attackers to have an unknown impact via a crafted image file, related to integer multiplication for memory allocation.
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Analysis
by VulDB Data Team • 08/21/2019
The vulnerability identified as CVE-2008-3520 resides within JasPer version 1.900.1, a widely used library for processing JPEG 2000 image files. This flaw represents a critical security issue that stems from improper handling of integer values during memory allocation processes. The vulnerability manifests when the library processes malformed image files that contain crafted integer values designed to trigger overflow conditions during memory calculations. Such vulnerabilities typically arise when developers fail to validate input parameters before using them in arithmetic operations that determine memory allocation sizes.
The technical nature of this vulnerability aligns with CWE-190, which specifically addresses integer overflow conditions that can lead to memory corruption and arbitrary code execution. When JasPer attempts to allocate memory for image processing, it performs integer multiplication operations to determine the required buffer sizes. If these operations result in integer overflows, the calculated memory allocation becomes insufficient or excessively large, creating potential attack vectors. The context-dependent nature of this vulnerability means that attackers must craft specific image files that exploit the precise conditions under which these integer overflows occur, making the attack more targeted but potentially more dangerous.
The operational impact of CVE-2008-3520 extends beyond simple denial of service scenarios, as the vulnerability could enable remote code execution in certain environments. When an application using JasPer processes a maliciously crafted image file, the integer overflow during memory allocation can lead to heap corruption, potentially allowing attackers to execute arbitrary code with the privileges of the affected application. This represents a significant concern for web applications, image processing services, and any system that handles user-supplied image files without proper validation. The vulnerability's exploitation requires careful crafting of image files that trigger specific integer multiplication scenarios within the JasPer library's memory management routines.
Mitigation strategies for this vulnerability involve multiple layers of protection including immediate patching of JasPer library installations to versions that address the integer overflow conditions. System administrators should implement input validation controls that sanitize image file parameters before processing, particularly focusing on dimensions and memory requirements. Network segmentation and application whitelisting can help reduce the attack surface by limiting which systems can process potentially malicious image files. Additionally, implementing runtime protections such as address space layout randomization and stack canaries can provide defense-in-depth measures against exploitation attempts. The vulnerability also highlights the importance of following secure coding practices that emphasize input validation and proper integer overflow checking as outlined in the software security guidelines of the OWASP Top Ten project and similar industry standards. Organizations should conduct regular security assessments of their image processing pipelines and maintain up-to-date threat intelligence to identify potential exploitation attempts targeting such memory corruption vulnerabilities.