Vulnerability identifier: #VU39309

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-2775

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LabVIEW
Universal components / Libraries / Scripting languages

Vendor: National Instruments

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An exploitable memory corruption vulnerability exists in the LvVariantUnflatten functionality in 64-bit versions of LabVIEW before 2015 SP1 f7 Patch and 2016 before f2 Patch. A specially crafted VI file can cause a user controlled value to be used as a loop terminator resulting in internal heap corruption. An attacker controlled VI file can be used to trigger this vulnerability, exploitation could lead to remote code execution.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LabVIEW: 16.0.0.49152

---

External links
http://www.ni.com/product-documentation/53778/en/
http://www.securityfocus.com/bid/97020
http://www.talosintelligence.com/reports/TALOS-2017-0269/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.