CVE-2018-16769 : Exploit Details and Defense Strategies
Learn about CVE-2018-16769, a flaw in WAVM until 2018-07-26 that could lead to a denial of service or other unspecified effects when a manipulated file is sent to the WebAssembly Virtual Machine.
A flaw in WAVM until 2018-07-26 could lead to a denial of service or other effects if a manipulated file is sent to the WebAssembly Virtual Machine due to mishandling of libRuntime.so!llvm::InstructionCombiningPass::runOnFunction.
Understanding CVE-2018-16769
A denial of service vulnerability in WAVM with potential unspecified impacts.
What is CVE-2018-16769?
CVE-2018-16769 is a vulnerability in WAVM that could result in a denial of service (application crash) or other unspecified effects when a manipulated file is sent to the WebAssembly Virtual Machine. The issue arises from mishandling of libRuntime.so!llvm::InstructionCombiningPass::runOnFunction.
The Impact of CVE-2018-16769
The vulnerability could lead to a denial of service (application crash) or potentially have other unspecified effects if a manipulated file is sent to the WebAssembly Virtual Machine.
Technical Details of CVE-2018-16769
Details of the vulnerability in WAVM.
Vulnerability Description
A flaw in WAVM until 2018-07-26 could lead to a denial of service (application crash) or potentially have other unspecified effects if a manipulated file is sent to the WebAssembly Virtual Machine due to mishandling of libRuntime.so!llvm::InstructionCombiningPass::runOnFunction.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by sending a manipulated file to the WebAssembly Virtual Machine, triggering the mishandling of libRuntime.so!llvm::InstructionCombiningPass::runOnFunction.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2018-16769 vulnerability.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor.
- Avoid opening files from untrusted sources.
- Monitor for any unusual system behavior.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement network security measures to prevent unauthorized access.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure that the system is regularly updated with the latest security patches to address vulnerabilities like CVE-2018-16769.