CVE-2022-4285 in Binutils
Summary
by MITRE • 01/27/2023
An illegal memory access flaw was found in the binutils package. Parsing an ELF file containing corrupt symbol version information may result in a denial of service. This issue is the result of an incomplete fix for CVE-2020-16599.
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Analysis
by VulDB Data Team • 03/28/2025
The vulnerability identified as CVE-2022-4285 represents a critical memory access flaw within the binutils package that specifically affects the parsing of ELF (Executable and Linkable Format) files. This issue manifests when the system encounters ELF files containing corrupted symbol version information, leading to potential denial of service conditions that can severely impact system stability and availability. The flaw operates at the core level of binary processing utilities, making it particularly dangerous as it can be triggered during routine system operations or security assessments that involve file analysis.
The technical root cause of this vulnerability stems from an incomplete remediation of a previous flaw documented as CVE-2020-16599. This incomplete fix creates a persistent weakness in the binutils processing pipeline where the software fails to properly validate symbol version information during ELF file parsing. When the system attempts to process malformed symbol version entries, it encounters illegal memory access patterns that can cause segmentation faults or other memory corruption issues. The vulnerability specifically targets the handling of version information within ELF files, where the parser does not adequately check bounds or validate the structure of symbol version definitions before attempting to access memory locations.
From an operational impact perspective, this vulnerability poses significant risks to systems that rely heavily on binutils for binary analysis, debugging, or security assessments. Attackers could potentially exploit this weakness by crafting malicious ELF files with corrupted symbol version information, leading to system crashes or denial of service conditions that would prevent legitimate system operations. The impact extends beyond simple availability issues as this flaw can affect security tools that depend on binutils functionality, potentially compromising the integrity of security assessments and forensic analysis operations. Organizations running systems with active binary analysis capabilities or those that process untrusted binary files are particularly vulnerable to this type of attack vector.
The mitigation strategies for CVE-2022-4285 primarily focus on applying the latest patches and updates from the binutils maintainers, as the vulnerability is fundamentally a software implementation issue that requires code-level corrections. System administrators should prioritize updating their binutils packages to versions that contain complete fixes for both CVE-2022-4285 and its predecessor CVE-2020-16599. Additionally, organizations should implement defensive measures such as restricting access to potentially malicious binary files through sandboxing techniques or implementing additional validation layers before processing ELF files through binutils utilities. Network security teams should monitor for potential exploitation attempts involving malformed ELF files and consider implementing signature-based detection rules that can identify attempts to trigger this memory access violation. This vulnerability aligns with CWE-125, which describes out-of-bounds read conditions, and represents a specific instance of the broader class of memory safety issues that fall under the ATT&CK technique T1059.007 for execution through command and scripting interpreter.
The remediation process requires careful consideration of the system dependencies that rely on binutils functionality, as updating this core component may impact other system operations. Organizations should conduct thorough testing of updated binutils versions in controlled environments before deploying them to production systems. Security teams should also implement monitoring solutions to detect potential exploitation attempts and establish incident response procedures that account for denial of service conditions caused by memory access violations. Regular vulnerability assessments should include checks for outdated binutils installations and ensure that all systems processing binary files maintain current security patches to prevent exploitation of this and similar memory safety vulnerabilities.