Nsasoft Nsauditor Office Product Key Finder 1.5.4 Text File Name/Key buffer overflow

Summaryinfo

A vulnerability marked as critical has been reported in Nsasoft Nsauditor Office Product Key Finder 1.5.4. This impacts an unknown function of the component Text File Handler. The manipulation of the argument Name/Key leads to buffer overflow. This vulnerability is traded as CVE-2020-37203. An attack has to be approached locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Nsasoft Nsauditor Office Product Key Finder 1.5.4. This issue affects an unknown code of the component Text File Handler. The manipulation of the argument Name/Key with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Office Product Key Finder 1.5.4 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the registration code input. Attackers can create a specially crafted text file and paste it into the 'Name and Key' field to trigger an application crash.

The weakness was shared by Gokkul as 47867. The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2020-37203 since 02/10/2026. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (47867). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Nsasoft

Name

• Nsauditor Office Product Key Finder

Version

• 1.5.4

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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