NI LabVIEW up to 24.1 TDMS File integer overflow

Summaryinfo

A vulnerability was found in NI LabVIEW up to 24.1 and classified as problematic. This impacts an unknown function of the component TDMS File Handler. Executing a manipulation can lead to integer overflow. This vulnerability appears as CVE-2024-6638. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in NI LabVIEW up to 24.1. It has been declared as problematic. This vulnerability affects an unknown code of the component TDMS File Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability. CVE summarizes:

An integer overflow vulnerability due to improper input validation when reading TDMS files in LabVIEW may result in an infinite loop. Successful exploitation requires an attacker to provide a user with a specially crafted TDMS file. This vulnerability affects LabVIEW 2024 Q1 and prior versions.

The weakness was presented by James Mcnally. The advisory is shared for download at ni.com. This vulnerability was named CVE-2024-6638 since 07/10/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/23/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• NI

Name

• LabVIEW

Version

• 24.0
• 24.1

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