Vulnerability identifier: #VU6533

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-2792

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MarkLogic
Server applications / SCADA systems

Vendor: MarkLogic

Description
The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow in the iBldDirInfo functionality when parsing malicious .xls files. A remote attacker can send a specially crafted .xls file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in system compromise.

Mitigation
Update to version 8.0-6.4.

Vulnerable software versions

MarkLogic: 8.0 (-5.5) - 8.0-6

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External links
http://www.talosintelligence.com/reports/TALOS-2017-0284/

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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. However, proof of concept for this vulnerability is available.