cve/2019/CVE-2019-14422.md

### [CVE-2019-14422](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14422)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered in in TortoiseSVN 1.12.1. The Tsvncmd: URI handler allows a customised diff operation on Excel workbooks, which could be used to open remote workbooks without protection from macro security settings to execute arbitrary code. A tsvncmd:command:diff?path:[file1]?path2:[file2] URI will execute a customised diff on [file1] and [file2] based on the file extension. For xls files, it will execute the script diff-xls.js using wscript, which will open the two files for analysis without any macro security warning. An attacker can exploit this by putting a macro virus in a network drive, and force the victim to open the workbooks and execute the macro inside.

### POC

#### Reference
- http://seclists.org/fulldisclosure/2019/Aug/7
- https://www.vulnerability-lab.com/get_content.php?id=2188

#### Github
No PoCs found on GitHub currently.