CVE-2017-2775 : What You Need to Know
Learn about CVE-2017-2775 affecting LabVIEW 2016 Evaluation. Discover the impact, affected systems, exploitation mechanism, and mitigation steps to prevent memory corruption and remote code execution.
A vulnerability in LabVIEW 2016 Evaluation allows for memory corruption, potentially leading to remote code execution.
Understanding CVE-2017-2775
LabVIEW versions prior to 2015 SP1 f7 Patch for 64-bit OS and 2016 versions before f2 Patch are affected by a memory corruption vulnerability.
What is CVE-2017-2775?
- The vulnerability lies in the LvVariantUnflatten feature of LabVIEW, where a specially crafted VI file can manipulate a loop terminator value, causing internal heap corruption.
- An attacker-controlled VI file can trigger this vulnerability, potentially resulting in remote code execution.
The Impact of CVE-2017-2775
- CVSS Score: 7.5 (High)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2017-2775
LabVIEW 2016 Evaluation is susceptible to memory corruption, allowing attackers to execute remote code.
Vulnerability Description
- The LvVariantUnflatten feature in LabVIEW is the source of the vulnerability, enabling attackers to corrupt memory through a manipulated VI file.
Affected Systems and Versions
- Affected Product: LabVIEW 2016 Evaluation
- Vendor: National Instruments
- Affected Version: 16.0.0.49152
Exploitation Mechanism
- Attackers can exploit this vulnerability by creating a VI file with specific characteristics to manipulate loop terminator values, leading to internal heap corruption.
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-2775.
Immediate Steps to Take
- Update LabVIEW to the latest version that includes patches addressing this vulnerability.
- Avoid opening VI files from untrusted or unknown sources.
- Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
- Regularly update LabVIEW and other software to patch known vulnerabilities.
- Conduct security training for users to recognize and report suspicious activities.
Patching and Updates
- National Instruments provides patches to address this vulnerability. Ensure timely installation of these patches to secure your systems.