Intuit Lacerte 2017 on Windows information disclosure

Summaryinfo

A vulnerability was found in Intuit Lacerte 2017 on Windows. It has been classified as critical. This impacts an unknown function. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2018-11338. The attack requires being on the local network. There is not any exploit available.

Detailsinfo

A vulnerability was found in Intuit Lacerte 2017 on Windows and classified as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Intuit Lacerte 2017 for Windows in a client/server environment transfers the entire customer list in cleartext over SMB, which allows attackers to (1) obtain sensitive information by sniffing the network or (2) conduct man-in-the-middle (MITM) attacks via unspecified vectors. The customer list contains each customer's full name, social security number (SSN), address, job title, phone number, Email address, spouse's phone/Email address, and other sensitive information. After the client software authenticates to the server database, the server sends the customer list. There is no need for further exploitation as all sensitive data is exposed. This vulnerability was validated on Intuit Lacerte 2017, however older versions of Lacerte may be vulnerable.

The bug was discovered 05/21/2018. The weakness was released 07/31/2018 (Website). It is possible to read the advisory at corporateblue.com. The identification of this vulnerability is CVE-2018-11338 since 05/21/2018. Access to the local network is required for this attack. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 71 days. During that time the estimated underground price was around $0-$5k.

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

• Intuit

Name

• Lacerte

Version

• 2017

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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