Aspose Remote Code Execution Vulnerabilities (CVE-2019-5032/5033/5041) Threat Alert

Aspose Remote Code Execution Vulnerabilities (CVE-2019-5032/5033/5041) Threat Alert

September 17, 2019 | Mina Hao

Overview

Recently, Cisco Talos published several technical analysis reports, claiming that Aspose.cells and Aspose.words in Aspose products contain remote code execution vulnerabilities, which can be exploited via a maliciously crafted file to result in remote code execution.

Vulnerability Description

Aspose.Cells Code Execution Vulnerability

CVE-2019-5032

CVSS 3.0: 9.8

The LabelSst record parser of the Aspose.Cells library is prone to an out-of-bounds read vulnerability, which can be exploited via a specially crafted XLS file to result in remote code execution. Successful exploitation of this vulnerability requires users to perform desired operations.

CVE-2019-5033

CVSS 3.0: 9.8

This vulnerability is similar to CVE-2019-5032, but stems from the Number record parser.

These vulnerabilities affect the following version:

Aspose.Cells 19.1.0

For details about these vulnerabilities, please visit the following links:

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0794

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0795

Aspose.Words Code Execution Vulnerability

CVE-2019-5041

The EnumMetaInfo function in the Aspose Aspose.Words library, version 18.11.0.0, contains an exploitable stack-based buffer overflow vulnerability. A specially crafted .doc file can cause a stack-based buffer overflow, resulting in remote code execution. An attacker needs to provide a malformed file to the victim to trigger this vulnerability.

  • Affected version:

Aspose.Words 18.11.0.0

For details about this vulnerability, please visit the following link:

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0805

Solution

According to Talos’s researchers, Aspose has not responded to the preceding vulnerabilities or released patches to fix them. Affected users are advised to visit Aspose’s official websites to obtain the latest updates immediately after they are available:

https://products.aspose.cloud/cells

https://products.aspose.cloud/words

Statement

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About NSFOCUS

NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.

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