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CVE-2016-3957

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-4030-1
Posted Jun 24, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4030-1 - It was discovered that web2py does not properly check denied hosts before verifying passwords. An attacker could possibly use this issue to perform brute-force attacks. It was discovered that web2py allows remote attackers to obtain environment variable values. An attacker could possibly use this issue to gain administrative access. It was discovered that web2py uses a hardcoded encryption key. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-10321, CVE-2016-3952, CVE-2016-3957
SHA-256 | a99087702bd4f64f9a186902fa43b09a473e58c2c4153bcd31bfc5a32d36a29e
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