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openSUSE Security Update : python-mistune (openSUSE-2018-148)

medium Nessus Plugin ID 106703

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for python-mistune to version 0.8.3 fixes several issues.

These security issues were fixed :

 - CVE-2017-16876: Cross-site scripting (XSS) vulnerability in the _keyify function in mistune.py allowed remote attackers to inject arbitrary web script or HTML by leveraging failure to escape the 'key' argument (bsc#1072307).

 - CVE-2017-15612: Prevent XSS via an unexpected newline (such as in java\nscript:) or a crafted email address, related to the escape and autolink functions (bsc#1064640).

These non-security issues were fixed :

 - Fix nested html issue

 - Fix _keyify with lower case.

 - Remove non breaking spaces preprocessing

 - Remove rev and rel attribute for footnotes

 - Fix escape_link method

- Handle block HTML with no content

- Use expandtabs for tab

 - Fix escape option for text renderer

 - Fix HTML attribute regex pattern

 - Fix strikethrough regex

 - Fix HTML attribute regex

 - Fix close tag regex

 - Fix hard_wrap options on renderer.

 - Fix emphasis regex pattern

 - Fix base64 image link

- Fix link security per

 - Fix inline html when there is no content per

Solution

Update the affected python-mistune packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1064640

https://bugzilla.opensuse.org/show_bug.cgi?id=1072307

Plugin Details

Severity: Medium

ID: 106703

File Name: openSUSE-2018-148.nasl

Version: 3.3

Type: local

Agent: unix

Published: 2/9/2018

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 6.1

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:42.3, p-cpe:/a:novell:opensuse:python3-mistune, p-cpe:/a:novell:opensuse:python-mistune

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list

Patch Publication Date: 2/8/2018

Reference Information

CVE: CVE-2017-15612, CVE-2017-16876