CVE-2022-36039: CWE-787: Out-of-bounds Write in rizinorg rizin
Rizin is a UNIX-like reverse engineering framework and command-line toolset. Versions 0.4.0 and prior are vulnerable to out-of-bounds write when parsing DEX files. A user opening a malicious DEX file could be affected by this vulnerability, allowing an attacker to execute code on the user's machine. A patch is available on the `dev` branch of the repository.
AI Analysis
Technical Summary
CVE-2022-36039 is a security vulnerability identified in the rizin reverse engineering framework, specifically affecting versions 0.4.0 and earlier. Rizin is a UNIX-like toolset widely used for reverse engineering tasks, including binary analysis and debugging. The vulnerability is classified as an out-of-bounds write (CWE-787) that occurs during the parsing of DEX files, which are Dalvik Executable files used primarily in Android applications. When a user opens a maliciously crafted DEX file with a vulnerable version of rizin, the out-of-bounds write can corrupt memory, potentially allowing an attacker to execute arbitrary code on the victim's machine. This can lead to full compromise of the user's environment where rizin is running. The vulnerability does not require prior authentication but does require user interaction in the form of opening a malicious file. Although no known exploits have been reported in the wild, a patch addressing this issue is available on the development branch of the rizin repository, indicating that a fix is forthcoming but not yet widely distributed. The vulnerability impacts confidentiality, integrity, and availability by enabling remote code execution through local file processing, which can be leveraged for privilege escalation or persistent compromise.
Potential Impact
For European organizations, the impact of this vulnerability depends largely on the extent to which rizin is used within their security research, malware analysis, or reverse engineering teams. Organizations involved in software security, digital forensics, or malware research that utilize rizin for analyzing Android applications or binaries are at risk. Exploitation could lead to unauthorized code execution on analyst workstations, potentially compromising sensitive research data or providing a foothold for lateral movement within internal networks. Given that rizin is a specialized tool, the broader enterprise impact is limited; however, targeted attacks against security teams or researchers could disrupt operations and lead to data breaches. Additionally, compromised analyst machines could be used to manipulate analysis results or exfiltrate sensitive information. The lack of known exploits suggests the threat is currently low but could increase if exploit code becomes publicly available. The vulnerability's medium severity rating reflects moderate risk, balancing the specialized nature of the tool with the potential for significant impact on affected users.
Mitigation Recommendations
To mitigate this vulnerability effectively, European organizations should: 1) Immediately identify and inventory all instances of rizin in use, particularly versions 0.4.0 and earlier. 2) Apply the available patch from the rizin development branch or upgrade to a fixed version once officially released. If an official patch is not yet available, consider temporarily restricting the use of rizin for parsing untrusted DEX files. 3) Implement strict file handling policies to avoid opening untrusted or unknown DEX files within rizin environments. 4) Employ endpoint protection solutions capable of detecting anomalous behavior indicative of exploitation attempts, such as unexpected memory writes or code execution originating from rizin processes. 5) Educate security analysts and reverse engineers about the risks of processing untrusted files and encourage the use of sandboxed or isolated environments when analyzing potentially malicious DEX files. 6) Monitor relevant threat intelligence feeds for any emerging exploit code or attack campaigns leveraging this vulnerability to enable rapid response.
Affected Countries
Germany, France, United Kingdom, Netherlands, Sweden, Finland, Poland
CVE-2022-36039: CWE-787: Out-of-bounds Write in rizinorg rizin
Description
Rizin is a UNIX-like reverse engineering framework and command-line toolset. Versions 0.4.0 and prior are vulnerable to out-of-bounds write when parsing DEX files. A user opening a malicious DEX file could be affected by this vulnerability, allowing an attacker to execute code on the user's machine. A patch is available on the `dev` branch of the repository.
AI-Powered Analysis
Technical Analysis
CVE-2022-36039 is a security vulnerability identified in the rizin reverse engineering framework, specifically affecting versions 0.4.0 and earlier. Rizin is a UNIX-like toolset widely used for reverse engineering tasks, including binary analysis and debugging. The vulnerability is classified as an out-of-bounds write (CWE-787) that occurs during the parsing of DEX files, which are Dalvik Executable files used primarily in Android applications. When a user opens a maliciously crafted DEX file with a vulnerable version of rizin, the out-of-bounds write can corrupt memory, potentially allowing an attacker to execute arbitrary code on the victim's machine. This can lead to full compromise of the user's environment where rizin is running. The vulnerability does not require prior authentication but does require user interaction in the form of opening a malicious file. Although no known exploits have been reported in the wild, a patch addressing this issue is available on the development branch of the rizin repository, indicating that a fix is forthcoming but not yet widely distributed. The vulnerability impacts confidentiality, integrity, and availability by enabling remote code execution through local file processing, which can be leveraged for privilege escalation or persistent compromise.
Potential Impact
For European organizations, the impact of this vulnerability depends largely on the extent to which rizin is used within their security research, malware analysis, or reverse engineering teams. Organizations involved in software security, digital forensics, or malware research that utilize rizin for analyzing Android applications or binaries are at risk. Exploitation could lead to unauthorized code execution on analyst workstations, potentially compromising sensitive research data or providing a foothold for lateral movement within internal networks. Given that rizin is a specialized tool, the broader enterprise impact is limited; however, targeted attacks against security teams or researchers could disrupt operations and lead to data breaches. Additionally, compromised analyst machines could be used to manipulate analysis results or exfiltrate sensitive information. The lack of known exploits suggests the threat is currently low but could increase if exploit code becomes publicly available. The vulnerability's medium severity rating reflects moderate risk, balancing the specialized nature of the tool with the potential for significant impact on affected users.
Mitigation Recommendations
To mitigate this vulnerability effectively, European organizations should: 1) Immediately identify and inventory all instances of rizin in use, particularly versions 0.4.0 and earlier. 2) Apply the available patch from the rizin development branch or upgrade to a fixed version once officially released. If an official patch is not yet available, consider temporarily restricting the use of rizin for parsing untrusted DEX files. 3) Implement strict file handling policies to avoid opening untrusted or unknown DEX files within rizin environments. 4) Employ endpoint protection solutions capable of detecting anomalous behavior indicative of exploitation attempts, such as unexpected memory writes or code execution originating from rizin processes. 5) Educate security analysts and reverse engineers about the risks of processing untrusted files and encourage the use of sandboxed or isolated environments when analyzing potentially malicious DEX files. 6) Monitor relevant threat intelligence feeds for any emerging exploit code or attack campaigns leveraging this vulnerability to enable rapid response.
Affected Countries
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2022-07-15T00:00:00.000Z
- Cisa Enriched
- true
Threat ID: 682d9844c4522896dcbf3d54
Added to database: 5/21/2025, 9:09:24 AM
Last enriched: 6/22/2025, 10:35:45 PM
Last updated: 8/8/2025, 10:45:18 AM
Views: 19
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