CVE-2017-2779 : Exploit Details and Defense Strategies

LabVIEW 2017, LabVIEW 2016, LabVIEW 2015, and LabVIEW 2014 are affected by a vulnerability in the RSRC segment parsing functionality that can lead to memory corruption and potential code execution.

Understanding CVE-2017-2779

LabVIEW software versions 2014 to 2017 are susceptible to a memory corruption flaw that can be exploited by an attacker to execute arbitrary code.

What is CVE-2017-2779?

LabVIEW versions 2014 to 2017 contain a vulnerability in RSRC segment parsing.
An attacker can exploit this flaw using a specially crafted VI file to trigger a null write and potentially execute malicious code.

The Impact of CVE-2017-2779

CVSS Base Score: 7.5 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High
This vulnerability can result in remote code execution.

Technical Details of CVE-2017-2779

LabVIEW 2014-2017 is affected by a memory corruption vulnerability in the RSRC segment parsing functionality.

Vulnerability Description

The flaw allows an attacker to create a looping condition leading to a null write.
Exploiting this vulnerability can result in code execution if a malicious VI file is utilized.

Affected Systems and Versions

Affected Product: LabVIEW 2016
Vendor: National Instruments
Affected Version: 16.0

Exploitation Mechanism

By using a specially crafted VI file, an attacker can exploit the RSRC segment parsing vulnerability to trigger memory corruption and potentially execute arbitrary code.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-2779.

Immediate Steps to Take

Update LabVIEW software to a patched version provided by National Instruments.
Avoid opening VI files from untrusted or unknown sources.
Monitor vendor security advisories for updates and patches.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Conduct regular security training for users on identifying and handling suspicious files.

Patching and Updates

Apply security patches and updates released by National Instruments promptly to address the vulnerability and enhance system security.