cve/cves/2017/CVE-2017-3730.md

CVE-2017-3730

Bad (EC)DHE parameters cause a client crash

Description

In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack.

POC

Reference

• https://www.exploit-db.com/exploits/41192/

Github

• https://github.com/HavocParasite/CVE-2017-3730

ExploitDB

• https://www.exploit-db.com/exploits/41192