CVEs-PoC/2016/CVE-2016-3957.md

CVE-2016-3957

Description

The secure_load function in gluon/utils.py in web2py before 2.14.2 uses pickle.loads to deserialize session information stored in cookies, which might allow remote attackers to execute arbitrary code by leveraging knowledge of encryption_key.

POC

Reference

• https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/

Github

• https://github.com/sj/web2py-e94946d-CVE-2016-3957