CVE-2022-44910 in Binbloom
Summary
by MITRE • 12/14/2022
Binbloom 2.0 was discovered to contain a heap buffer overflow via the read_pointer function at /binbloom-master/src/helpers.c.
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Analysis
by VulDB Data Team • 04/22/2025
The heap buffer overflow vulnerability in Binbloom 2.0 represents a critical security flaw that arises from improper memory management within the read_pointer function located in the source code file helpers.c. This vulnerability falls under the Common Weakness Enumeration category CWE-121, which specifically addresses stack-based buffer overflow conditions, though the heap-based nature of this particular flaw requires careful consideration of memory allocation patterns and deallocation sequences. The vulnerability manifests when the application processes input data through the read_pointer function without adequate bounds checking, allowing an attacker to write beyond the allocated heap memory boundaries and potentially corrupt adjacent memory regions.
The technical implementation of this vulnerability involves the application's failure to validate the size of input data before attempting to read or process it within the heap-allocated memory space. When malicious input is provided to the read_pointer function, the program does not properly verify whether the requested memory access exceeds the allocated buffer size, creating an opportunity for attackers to manipulate memory layout and execute arbitrary code. This flaw demonstrates poor input validation practices and inadequate memory management protocols that are fundamental to secure software development. The heap buffer overflow can be exploited through carefully crafted input sequences that cause the program to write beyond its intended memory boundaries, potentially leading to memory corruption that affects program execution flow and system stability.
The operational impact of this vulnerability extends beyond simple memory corruption, as it creates potential attack vectors that could be leveraged for privilege escalation, denial of service, or remote code execution depending on the system environment and application context. Attackers could exploit this vulnerability to overwrite critical memory locations, manipulate program pointers, or inject malicious code into the application's execution flow, particularly when the vulnerable application runs with elevated privileges. The attack surface is particularly concerning in environments where Binbloom 2.0 is used as a system component or service, as the heap corruption could be exploited to gain unauthorized access to system resources or compromise the integrity of the entire application stack. This vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation could enable attackers to execute arbitrary commands within the application context.
Mitigation strategies for this heap buffer overflow vulnerability should focus on implementing comprehensive input validation and memory management practices throughout the application codebase. The most effective immediate fix involves adding proper bounds checking within the read_pointer function to ensure that all memory accesses remain within allocated buffer boundaries, following secure coding guidelines that address CWE-129 and CWE-787. Developers should implement proper memory allocation and deallocation routines, utilize modern compiler security features such as stack canaries and address space layout randomization, and consider employing automated tools for memory debugging and vulnerability detection. Additionally, regular code reviews and security testing should be conducted to identify similar patterns in other functions within the application, ensuring that all memory management operations follow secure coding practices that prevent heap-based buffer overflow conditions. System administrators should also implement monitoring solutions to detect anomalous memory access patterns that could indicate exploitation attempts against this vulnerability.