CVE-2016-3957

Publication date 6 February 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
web2py 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
17.10 artful Ignored end of life
16.04 LTS xenial
Fixed 2.12.3-1ubuntu0.1
14.04 LTS trusty Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references

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