### [CVE-2013-6449](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6449)
![](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

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.

### POC

#### Reference
- http://seclists.org/fulldisclosure/2014/Dec/23
- http://seclists.org/fulldisclosure/2014/Dec/23
- http://www-01.ibm.com/support/docview.wss?uid=isg400001841
- http://www-01.ibm.com/support/docview.wss?uid=isg400001841
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/chnzzh/OpenSSL-CVE-lib