Debian DSA-4643-1 : python-bleach - security update

medium Nessus Plugin ID 134773

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Synopsis

The remote Debian host is missing a security-related update.

Description

It was reported that python-bleach, a whitelist-based HTML-sanitizing library, is prone to a mutation XSS vulnerability in bleach.clean when strip=False and 'math' or 'svg' tags and one or more of the RCDATA tags were whitelisted.

Solution

Upgrade the python-bleach packages.

For the stable distribution (buster), this problem has been fixed in version 3.1.2-0+deb10u1.

Plugin Details

Severity: Medium

ID: 134773

File Name: debian_DSA-4643.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/23/2020

Updated: 3/21/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-6816

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:python-bleach

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: 3/20/2020

Vulnerability Publication Date: 3/24/2020

Reference Information

CVE: CVE-2020-6816

DSA: 4643

Detections

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