Vulnerability identifier: #VU15262

Vulnerability risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-8532

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Microsoft SQL Server Management Studio
Client/Desktop applications / Software for system administration

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to conduct XXE-attack.

The vulnerability exists due to an error when parsing a malicious XMLA file containing a reference to an external entity. A remote attacker can trick the victim into opening a specially crafted XML file and gain access to potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server Management Studio: 17.9 - 18.0 (Preview 4)

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8532
http://hyp3rlinx.altervista.org/advisories/MICROSOFT-SQL-SERVER-MGMT-STUDIO-XMLA-FILETYPE-XML-INJECT...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.