CVE-2016-3953

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.84% Top 20%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/ exploit third party advisory technical description
https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py third party advisory
https://usn.ubuntu.com/4030-1/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-3953?
CVE-2016-3953 has been scored as a critical severity vulnerability.
How to fix CVE-2016-3953?
To fix CVE-2016-3953, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-3953 being actively exploited in the wild?
It is possible that CVE-2016-3953 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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