CVE-2023-22291 in Ichitaro 2022
Summary
by MITRE • 04/05/2023
An invalid free vulnerability exists in the Frame stream parser functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to an attempt to free a stack pointer, which causes memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 04/23/2023
The vulnerability identified as CVE-2023-22291 represents a critical memory corruption issue within the Frame stream parser component of Ichitaro 2022 version 1.0.1.57600. This flaw manifests as an invalid free operation that occurs during document processing, specifically when parsing structured frame data within rich text documents. The vulnerability stems from improper memory management practices within the parsing logic that fails to validate pointer states before attempting deallocation operations.
The technical implementation of this vulnerability involves a stack pointer being targeted for invalid free operations during the parsing of specially crafted document structures. When the Frame stream parser encounters malformed frame data, it attempts to release memory that was either already freed or allocated on the stack, leading to unpredictable memory corruption patterns. This type of vulnerability falls under the category of heap corruption issues and represents a classic example of improper memory management that can be exploited through crafted input data.
From an operational perspective, this vulnerability presents a significant risk to end users who may inadvertently open malicious documents that trigger the memory corruption scenario. The attack vector requires an attacker to craft a document containing specifically formatted frame data that will cause the parser to execute the invalid free operation. Once triggered, the memory corruption can lead to arbitrary code execution, application crashes, or potentially more severe consequences depending on the execution environment and privilege levels.
The vulnerability aligns with CWE-415 which addresses double free conditions and CWE-416 which covers use after free errors, both of which are common categories in memory safety vulnerabilities. The attack pattern follows typical exploitation techniques documented in the MITRE ATT&CK framework under technique T1203 for legitimate program execution and T1059 for command and scripting interpreter usage. This vulnerability demonstrates how seemingly benign document processing functionality can become a vector for sophisticated attacks when proper input validation and memory management are absent.
Mitigation strategies for CVE-2023-22291 should prioritize immediate patch deployment from the vendor, as the vulnerability exists in the core parsing functionality that processes user-supplied documents. Organizations should implement document sanitization policies that scan for potentially malicious content before processing, employ sandboxing techniques for document handling, and maintain strict input validation for all frame-related data structures. Additionally, security teams should monitor for exploitation attempts through network traffic analysis and endpoint detection systems that can identify anomalous memory access patterns consistent with heap corruption attacks. The vulnerability underscores the importance of rigorous memory management practices and comprehensive testing of parsing components against malformed input data to prevent similar issues in the future.