CVEs-PoC/2017/CVE-2017-2807.md

### [CVE-2017-2807](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2807)
![](https://img.shields.io/static/v1?label=Product&message=Ledger%20CLI&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=remote%20code%20execution&color=brighgreen)

### Description

An exploitable buffer overflow vulnerability exists in the tag parsing functionality of Ledger-CLI 3.1.1. A specially crafted journal file can cause an integer underflow resulting in code execution. An attacker can construct a malicious journal file to trigger this vulnerability.

### POC

#### Reference
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0303

#### Github
- https://github.com/andir/nixos-issue-db-example