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Ubuntu 16.04 LTS: USN-4030-1 Critical: Web2py Remote Access Risk

ubuntu
Calendar Grey June 21, 2019
Dist Ubuntu Esm H88
Multiple vulnerabilities addressed in web2py to mitigate brute-force and unauthorized access threats on Ubuntu platforms.
Several security issues were fixed in web2py.

Summary

Several security issues were fixed in web2py.

Software Description:

- web2py: High-level Python web development framework

Details:

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. (CVE-2016-10321)

It was discovered that web2py allows remote attackers to obtain

environment variable values. An attacker could possibly use this issue to

gain administrative access. (CVE-2016-3952)

It was discovered that web2py uses a hardcoded encryption key. An

attacker could possibly use this issue to execute arbitrary code.

(CVE-2016-3953, CVE-2016-3954, CVE-2016-3957)

Topics%20covered

Topics Covered

security advisory remote access Ubuntu password attack web2py

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
  python-gluon                    2.12.3-1ubuntu0.1
  python-web2py                   2.12.3-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-4030-1

  CVE-2016-10321, CVE-2016-3952, CVE-2016-3953, CVE-2016-3954,

  CVE-2016-3957

Severity
critical
Lowest
Low
Medium
High
Critical

=============Ubuntu Security Notice USN-4030-1

Topics%20covered

Topics Covered

security advisory remote access Ubuntu password attack web2py

Package Information

  https://launchpad.net/ubuntu/+source/web2py/2.12.3-1ubuntu0.1

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