TortoiseSVN Remote Code Execution Vulnerability (CVE-2019-14422) Threat Alert

TortoiseSVN Remote Code Execution Vulnerability (CVE-2019-14422) Threat Alert

September 3, 2019 | Mina Hao

Overview

On August 13, local time, a researcher from a vulnerability laboratory (vxrl team) disclosed a remote code execution vulnerability (CVE-2019-14422) in TortoiseSVN.

The URI handler of TortoiseSVN (Tsvncmd:) allows a customized diff operation on Excel workbooks. This vulnerability could be used to open remote workbooks without protection from macro security settings to execute arbitrary code.

An attacker could exploit this by putting a macro virus in a network drive, and force the victim to open a workbook and execute the macro inside. The vulnerability could be triggered by visiting a specially crafted URL via a web browser.

Reference:

https://seclists.org/fulldisclosure/2019/Aug/7

Affected Version

  • TortoiseSVN Version <= 1.12.1

Unaffected Versions

  • TortoiseSVN Version == 1.12.2

Solution

Currently, the vendor has officially released the latest version V1.12.2 to fix this vulnerability. Users are advised to upgrade as soon as possible.

The update is available at the following link:

https://tortoisesvn.net/downloads.zh.html

Statement

This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.

About NSFOCUS

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