### [CVE-2019-3855](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3855) ![](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 packets are read from the server. 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 - http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html - http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html - https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html - https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html #### Github - https://github.com/0xT11/CVE-POC - https://github.com/KorayAgaya/TrivyWeb - https://github.com/Mohzeela/external-secret - https://github.com/developer3000S/PoC-in-GitHub - https://github.com/hectorgie/PoC-in-GitHub - https://github.com/siddharthraopotukuchi/trivy - https://github.com/simiyo/trivy - https://github.com/t31m0/Vulnerability-Scanner-for-Containers - https://github.com/umahari/security