CVE-2022-36151 in tifig
Summary
by MITRE • 08/17/2022
tifig v0.2.2 was discovered to contain a segmentation violation via getType() at /common/bbox.cpp.
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Analysis
by VulDB Data Team • 08/17/2022
The vulnerability identified as CVE-2022-36151 affects the tifig library version 0.2.2, specifically within the getType() function located in the /common/bbox.cpp file. This represents a critical memory safety issue that manifests as a segmentation fault during execution. The flaw occurs when the library attempts to process image data structures, particularly in scenarios involving bounding box operations where the getType() method encounters malformed or unexpected input data. Such segmentation violations typically arise from improper memory access patterns or null pointer dereferences that are common in C++ applications handling image processing workflows.
The technical root cause of this vulnerability stems from inadequate input validation and error handling within the bounding box processing logic. When the getType() function processes image metadata or coordinate data, it fails to properly validate the integrity of the input parameters before attempting to access memory locations. This vulnerability falls under the CWE-125 vulnerability category, which describes out-of-bounds read conditions where programs access memory beyond the boundaries of allocated buffers. The flaw is particularly concerning in image processing contexts where untrusted input data might be processed without proper sanitization, creating potential attack vectors for malicious actors.
From an operational perspective, this segmentation violation can lead to application crashes and service disruption when the tifig library processes certain image files or data streams. The vulnerability is particularly dangerous in automated image processing pipelines or web applications that utilize this library for image manipulation tasks. Attackers could potentially exploit this weakness by crafting malicious image files designed to trigger the segmentation fault, leading to denial of service conditions or potentially more severe exploitation if the application does not properly handle such exceptions. The impact extends beyond simple crashes as it may enable adversaries to infer system information or potentially escalate privileges in vulnerable environments.
Security practitioners should prioritize immediate remediation by updating to a patched version of the tifig library where the segmentation violation has been addressed through proper input validation and memory access controls. The mitigation strategy should include implementing comprehensive error handling mechanisms within applications that utilize this library, including proper exception catching and graceful degradation when encountering malformed input data. Organizations should also consider deploying runtime protections such as address space layout randomization and stack canaries to reduce the exploitability of such memory corruption vulnerabilities. Additionally, regular security assessments and code reviews focusing on memory safety practices should be implemented to prevent similar issues in other components of the software stack. The vulnerability demonstrates the importance of adhering to secure coding practices and following the principles outlined in the software security framework, particularly those addressing buffer overflow prevention and input validation.