CVE-2018-8527 XML external entity in SQL Server Management Studio 17.9

Medium 5.5 Published 10 Oct 2018 Updated 5 Aug 2024

An attacker can disclose sensitive information by tricking a user into opening a malicious XEL file in SQL Server Management Studio.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-8527?

CVE-2018-8527 is a medium-severity vulnerability in Microsoft SQL Server Management Studio 17.9, published on 10 Oct 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing a malicious XEL file containing a reference to an external entity, aka "SQL Server Management Studio Information Disclosure Vulnerability." This affects SQL Server Management Studio 17.9, SQL Server Management Studio 18.0. This CVE ID is unique from CVE-2018-8532, CVE-2018-8533.

Weakness: CWE-611

Which versions are affected by CVE-2018-8527?

It affects 1 product.

Products include Microsoft Sql Server Management Studio.

How do I fix CVE-2018-8527?

No fix has been published for CVE-2018-8527 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8527 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-8527 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-gmwc-6m29-5hv6.