Operating System:

[SUSE]

Published:

14 March 2022

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.1052
                      Security update for python-lxml
                               14 March 2022

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           python-lxml
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-43818 CVE-2021-28957 CVE-2020-27783
                   CVE-2018-19787  

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20220803-1

Comment: CVSS (Max):  6.1 CVE-2021-43818 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)
         CVSS Source: SUSE
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N

- --------------------------BEGIN INCLUDED TEXT--------------------

SUSE Security Update: Security update for python-lxml

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:0803-1
Rating:            important
References:        #1118088 #1179534 #1184177 #1193752
Cross-References:  CVE-2018-19787 CVE-2020-27783 CVE-2021-28957 CVE-2021-43818
Affected Products:
                   SUSE Enterprise Storage 7
                   SUSE Linux Enterprise Desktop 15-SP3
                   SUSE Linux Enterprise Desktop 15-SP4
                   SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS
                   SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-SP3
                   SUSE Linux Enterprise High Performance Computing 15-SP4
                   SUSE Linux Enterprise Module for Basesystem 15-SP3
                   SUSE Linux Enterprise Module for Basesystem 15-SP4
                   SUSE Linux Enterprise Module for Python2 15-SP3
                   SUSE Linux Enterprise Realtime Extension 15-SP2
                   SUSE Linux Enterprise Server 15-SP2-BCL
                   SUSE Linux Enterprise Server 15-SP2-LTSS
                   SUSE Linux Enterprise Server 15-SP3
                   SUSE Linux Enterprise Server 15-SP4
                   SUSE Linux Enterprise Server for SAP 15-SP2
                   SUSE Linux Enterprise Server for SAP Applications 15-SP3
                   SUSE Linux Enterprise Server for SAP Applications 15-SP4
                   SUSE Manager Proxy 4.1
                   SUSE Manager Proxy 4.2
                   SUSE Manager Retail Branch Server 4.1
                   SUSE Manager Server 4.1
                   SUSE Manager Server 4.2
______________________________________________________________________________

An update that fixes four vulnerabilities is now available.

Description:

This update for python-lxml fixes the following issues:

  o CVE-2018-19787: Fixed XSS vulnerability via unescaped URL (bsc#1118088).
  o CVE-2021-28957: Fixed XSS vulnerability ia HTML5 attributes unescaped (bsc#
    1184177).
  o CVE-2021-43818: Fixed XSS vulnerability via script content in SVG images
    using data URIs (bnc#1193752).
  o CVE-2020-27783: Fixed mutation XSS with improper parser use (bnc#1179534).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  o SUSE Manager Server 4.1:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-803=1
  o SUSE Manager Retail Branch Server 4.1:
    zypper in -t patch
    SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-803=1
  o SUSE Manager Proxy 4.1:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-803=1
  o SUSE Linux Enterprise Server for SAP 15-SP2:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-803=1
  o SUSE Linux Enterprise Server 15-SP2-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-803=1
  o SUSE Linux Enterprise Server 15-SP2-BCL:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-803=1
  o SUSE Linux Enterprise Realtime Extension 15-SP2:
    zypper in -t patch SUSE-SLE-Product-RT-15-SP2-2022-803=1
  o SUSE Linux Enterprise Module for Python2 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Python2-15-SP3-2022-803=1
  o SUSE Linux Enterprise Module for Basesystem 15-SP4:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-803=1
  o SUSE Linux Enterprise Module for Basesystem 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-803=1
  o SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-803=1
  o SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-803=1
  o SUSE Enterprise Storage 7:
    zypper in -t patch SUSE-Storage-7-2022-803=1

Package List:

  o SUSE Manager Server 4.1 (ppc64le s390x x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Manager Retail Branch Server 4.1 (x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Manager Proxy 4.1 (x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Server for SAP 15-SP2 (ppc64le x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Server 15-SP2-LTSS (aarch64 ppc64le s390x x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Server 15-SP2-BCL (x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Realtime Extension 15-SP2 (x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Module for Python2 15-SP3 (aarch64 ppc64le s390x
    x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Module for Basesystem 15-SP4 (aarch64 ppc64le s390x
    x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x
    x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS (aarch64
    x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS (aarch64
    x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1
  o SUSE Enterprise Storage 7 (aarch64 x86_64):
       python-lxml-debuginfo-4.7.1-3.7.1
       python-lxml-debugsource-4.7.1-3.7.1
       python2-lxml-4.7.1-3.7.1
       python2-lxml-debuginfo-4.7.1-3.7.1
       python2-lxml-devel-4.7.1-3.7.1
       python3-lxml-4.7.1-3.7.1
       python3-lxml-debuginfo-4.7.1-3.7.1
       python3-lxml-devel-4.7.1-3.7.1


References:

  o https://www.suse.com/security/cve/CVE-2018-19787.html
  o https://www.suse.com/security/cve/CVE-2020-27783.html
  o https://www.suse.com/security/cve/CVE-2021-28957.html
  o https://www.suse.com/security/cve/CVE-2021-43818.html
  o https://bugzilla.suse.com/1118088
  o https://bugzilla.suse.com/1179534
  o https://bugzilla.suse.com/1184177
  o https://bugzilla.suse.com/1193752

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