Debian DLA-1852-1 : python3.4 security update

critical Nessus Plugin ID 126652

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Synopsis

The remote Debian host is missing a security update.

Description

The urllib library in Python ships support for a second, not well known URL scheme for accessing local files ('local_file://'). This scheme can be used to circumvent protections that try to block local file access and only block the well-known 'file://' schema. This update addresses the vulnerability by disallowing the 'local_file://' URL scheme.

This update also fixes another regresssion introduced in the update issued as DLA-1835-1 that broke installation of libpython3.4-testsuite.

For Debian 8 'Jessie', this problem has been fixed in version 3.4.2-1+deb8u5.

We recommend that you upgrade your python3.4 packages.

For the detailed security status of python3.4 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/python3.4

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

Solution

Upgrade the affected packages.

Plugin Details

Severity: Critical

ID: 126652

File Name: debian_DLA-1852.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 7/15/2019

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:idle-python3.4, p-cpe:/a:debian:debian_linux:libpython3.4, p-cpe:/a:debian:debian_linux:libpython3.4-dbg, p-cpe:/a:debian:debian_linux:libpython3.4-dev, p-cpe:/a:debian:debian_linux:libpython3.4-minimal, p-cpe:/a:debian:debian_linux:libpython3.4-stdlib, p-cpe:/a:debian:debian_linux:libpython3.4-testsuite, p-cpe:/a:debian:debian_linux:python3.4, p-cpe:/a:debian:debian_linux:python3.4-dbg, p-cpe:/a:debian:debian_linux:python3.4-dev, p-cpe:/a:debian:debian_linux:python3.4-doc, p-cpe:/a:debian:debian_linux:python3.4-examples, p-cpe:/a:debian:debian_linux:python3.4-minimal, p-cpe:/a:debian:debian_linux:python3.4-venv, cpe:/o:debian:debian_linux:8.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/11/2019

Vulnerability Publication Date: 3/23/2019

Reference Information

CVE: CVE-2019-9948

Detections

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