### [CVE-2014-3509](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3509)
![](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

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

### POC

#### Reference
- http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Ypnose/ahrf
- https://github.com/chnzzh/OpenSSL-CVE-lib
- https://github.com/jumanjihouse/oval
- https://github.com/jumanjihouse/wormhole