CVE-2016-3953 web2py remote code execution via hardcoded encryption key in session.connect function
Remote attackers can execute arbitrary code in the web2py sample application due to a hardcoded encryption key used in session connections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-3953?
CVE-2016-3953 is a critical vulnerability in n/a, published on 6 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function.
Weakness: CWE-798
Which versions are affected by CVE-2016-3953?
3 open source packages ship an affected version, including web2py. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
web2py PyPI | All versions | 2.14.2 |
web2py PyPI | All versions | 2.14.2 |
web2py PyPI | All versions | 2.14.2 |
Products include Web2py Web2py.
How do I fix CVE-2016-3953?
Upgrade web2py to 2.14.2 or later.
Is CVE-2016-3953 being exploited?
There is no known exploitation of CVE-2016-3953 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q2rq-qgcf-m22w, PYSEC-2026-570, UBUNTU-CVE-2016-3953.