cve/2013/CVE-2013-6421.md

### [CVE-2013-6421](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6421)
![](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

The unpack_zip function in archive_unpacker.rb in the sprout gem 0.7.246 for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a (1) filename or (2) path.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2013/12/03/1
- http://www.openwall.com/lists/oss-security/2013/12/03/1
- http://www.openwall.com/lists/oss-security/2013/12/03/6
- http://www.openwall.com/lists/oss-security/2013/12/03/6

#### Github
- https://github.com/btihen/calendar_commons
- https://github.com/tdunning/github-advisory-parser
- https://github.com/thesp0nge/dawnscanner