Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.3397
libxslt security update
30 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libxslt
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-18197 CVE-2019-11068
Reference: ESB-2020.2960
ESB-2019.2395
ESB-2019.1309
ESB-2019.1207
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:4005
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: libxslt security update
Advisory ID: RHSA-2020:4005-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4005
Issue date: 2020-09-29
CVE Names: CVE-2019-11068 CVE-2019-18197
=====================================================================
1. Summary:
An update for libxslt is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
libxslt is a library for transforming XML files into other textual formats
(including HTML, plain text, and other XML representations of the
underlying data) using the standard XSLT stylesheet transformation
mechanism.
Security Fix(es):
* libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by
crafted URL (CVE-2019-11068)
* libxslt: use after free in xsltCopyText in transform.c could lead to
information disclosure (CVE-2019-18197)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.9 Release Notes linked from the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1709697 - CVE-2019-11068 libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL
1770768 - CVE-2019-18197 libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
libxslt-1.1.28-6.el7.src.rpm
x86_64:
libxslt-1.1.28-6.el7.i686.rpm
libxslt-1.1.28-6.el7.x86_64.rpm
libxslt-debuginfo-1.1.28-6.el7.i686.rpm
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
libxslt-debuginfo-1.1.28-6.el7.i686.rpm
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
libxslt-devel-1.1.28-6.el7.i686.rpm
libxslt-devel-1.1.28-6.el7.x86_64.rpm
libxslt-python-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
libxslt-1.1.28-6.el7.src.rpm
x86_64:
libxslt-1.1.28-6.el7.i686.rpm
libxslt-1.1.28-6.el7.x86_64.rpm
libxslt-debuginfo-1.1.28-6.el7.i686.rpm
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
libxslt-debuginfo-1.1.28-6.el7.i686.rpm
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
libxslt-devel-1.1.28-6.el7.i686.rpm
libxslt-devel-1.1.28-6.el7.x86_64.rpm
libxslt-python-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
libxslt-1.1.28-6.el7.src.rpm
ppc64:
libxslt-1.1.28-6.el7.ppc.rpm
libxslt-1.1.28-6.el7.ppc64.rpm
libxslt-debuginfo-1.1.28-6.el7.ppc.rpm
libxslt-debuginfo-1.1.28-6.el7.ppc64.rpm
libxslt-devel-1.1.28-6.el7.ppc.rpm
libxslt-devel-1.1.28-6.el7.ppc64.rpm
ppc64le:
libxslt-1.1.28-6.el7.ppc64le.rpm
libxslt-debuginfo-1.1.28-6.el7.ppc64le.rpm
libxslt-devel-1.1.28-6.el7.ppc64le.rpm
s390x:
libxslt-1.1.28-6.el7.s390.rpm
libxslt-1.1.28-6.el7.s390x.rpm
libxslt-debuginfo-1.1.28-6.el7.s390.rpm
libxslt-debuginfo-1.1.28-6.el7.s390x.rpm
libxslt-devel-1.1.28-6.el7.s390.rpm
libxslt-devel-1.1.28-6.el7.s390x.rpm
x86_64:
libxslt-1.1.28-6.el7.i686.rpm
libxslt-1.1.28-6.el7.x86_64.rpm
libxslt-debuginfo-1.1.28-6.el7.i686.rpm
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
libxslt-devel-1.1.28-6.el7.i686.rpm
libxslt-devel-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
libxslt-debuginfo-1.1.28-6.el7.ppc64.rpm
libxslt-python-1.1.28-6.el7.ppc64.rpm
ppc64le:
libxslt-debuginfo-1.1.28-6.el7.ppc64le.rpm
libxslt-python-1.1.28-6.el7.ppc64le.rpm
s390x:
libxslt-debuginfo-1.1.28-6.el7.s390x.rpm
libxslt-python-1.1.28-6.el7.s390x.rpm
x86_64:
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
libxslt-python-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
libxslt-1.1.28-6.el7.src.rpm
x86_64:
libxslt-1.1.28-6.el7.i686.rpm
libxslt-1.1.28-6.el7.x86_64.rpm
libxslt-debuginfo-1.1.28-6.el7.i686.rpm
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
libxslt-devel-1.1.28-6.el7.i686.rpm
libxslt-devel-1.1.28-6.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
libxslt-debuginfo-1.1.28-6.el7.x86_64.rpm
libxslt-python-1.1.28-6.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-11068
https://access.redhat.com/security/cve/CVE-2019-18197
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=9t5V
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=pYwp
-----END PGP SIGNATURE-----