Detections
Analytics

Ubuntu 16.04 LTS : web2py vulnerabilities (USN-4030-1)

critical Nessus Plugin ID 126174

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

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).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected python-gluon and / or python-web2py packages.

See Also

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

Plugin Details

Severity: Critical

ID: 126174

File Name: ubuntu_USN-4030-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/24/2019

Updated: 10/20/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2016-3957

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python-gluon, p-cpe:/a:canonical:ubuntu_linux:python-web2py, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/21/2019

Vulnerability Publication Date: 4/10/2017

Reference Information

CVE: CVE-2016-10321, CVE-2016-3952, CVE-2016-3953, CVE-2016-3954, CVE-2016-3957

USN: 4030-1