Deserialization of Untrusted Data Affecting web2py package, versions <2.12.3-1ubuntu0.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-WEB2PY-271086
- published6 Feb 2018
- disclosed6 Feb 2018
Introduced: 6 Feb 2018
CVE-2016-3957 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 web2py to version 2.12.3-1ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream web2py package and not the web2py package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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.