cve/2019/CVE-2019-3857.md

### [CVE-2019-3857](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3857)
![](https://img.shields.io/static/v1?label=Product&message=libssh2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-190&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-787&color=brighgreen)

### Description

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

### POC

#### Reference
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

#### Github
- https://github.com/KorayAgaya/TrivyWeb
- https://github.com/Mohzeela/external-secret
- https://github.com/siddharthraopotukuchi/trivy
- https://github.com/simiyo/trivy
- https://github.com/t31m0/Vulnerability-Scanner-for-Containers
- https://github.com/umahari/security