Debian DLA-2456-1 : python3.5 security update

high Nessus Plugin ID 143104

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Synopsis

The remote Debian host is missing a security update.

Description

Multiple security issues were discovered in Python.

CVE-2019-20907

In Lib/tarfile.py, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation

CVE-2020-26116

http.client allows CRLF injection if the attacker controls the HTTP request method

For Debian 9 stretch, these problems have been fixed in version 3.5.3-1+deb9u3.

We recommend that you upgrade your python3.5 packages.

For the detailed security status of python3.5 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/python3.5

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: High

ID: 143104

File Name: debian_DLA-2456.nasl

Version: 1.3

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/19/2020

Updated: 2/8/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2020-26116

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:python3.5-minimal, p-cpe:/a:debian:debian_linux:libpython3.5-stdlib, p-cpe:/a:debian:debian_linux:libpython3.5-testsuite, p-cpe:/a:debian:debian_linux:libpython3.5, p-cpe:/a:debian:debian_linux:libpython3.5-dev, p-cpe:/a:debian:debian_linux:python3.5-dev, p-cpe:/a:debian:debian_linux:libpython3.5-minimal, p-cpe:/a:debian:debian_linux:idle-python3.5, cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:python3.5-dbg, p-cpe:/a:debian:debian_linux:python3.5, p-cpe:/a:debian:debian_linux:python3.5-doc, p-cpe:/a:debian:debian_linux:libpython3.5-dbg, p-cpe:/a:debian:debian_linux:python3.5-venv, p-cpe:/a:debian:debian_linux:python3.5-examples

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/18/2020

Vulnerability Publication Date: 7/13/2020

Reference Information

CVE: CVE-2019-20907, CVE-2020-26116

Detections

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