-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                               ESB-2021.3803
                          zziplib security update
                             10 November 2021

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

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

Product:           zziplib
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-18442  

Reference:         ESB-2021.2244

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2021:4316

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

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Low: zziplib security update
Advisory ID:       RHSA-2021:4316-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4316
Issue date:        2021-11-09
CVE Names:         CVE-2020-18442 
=====================================================================

1. Summary:

An update for zziplib is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Low. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The zziplib is a lightweight library to easily extract data from zip files.

Security Fix(es):

* zziplib: infinite loop via the return value of zzip_file_read() as used
in unzzip_cat_file() (CVE-2020-18442)

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 8.5 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/):

1973826 - CVE-2020-18442 zziplib: infinite loop via the return value of zzip_file_read() as used in unzzip_cat_file()

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
zziplib-0.13.68-9.el8.src.rpm

aarch64:
zziplib-0.13.68-9.el8.aarch64.rpm
zziplib-debuginfo-0.13.68-9.el8.aarch64.rpm
zziplib-debugsource-0.13.68-9.el8.aarch64.rpm
zziplib-utils-0.13.68-9.el8.aarch64.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.aarch64.rpm

ppc64le:
zziplib-0.13.68-9.el8.ppc64le.rpm
zziplib-debuginfo-0.13.68-9.el8.ppc64le.rpm
zziplib-debugsource-0.13.68-9.el8.ppc64le.rpm
zziplib-utils-0.13.68-9.el8.ppc64le.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.ppc64le.rpm

s390x:
zziplib-0.13.68-9.el8.s390x.rpm
zziplib-debuginfo-0.13.68-9.el8.s390x.rpm
zziplib-debugsource-0.13.68-9.el8.s390x.rpm
zziplib-utils-0.13.68-9.el8.s390x.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.s390x.rpm

x86_64:
zziplib-0.13.68-9.el8.i686.rpm
zziplib-0.13.68-9.el8.x86_64.rpm
zziplib-debuginfo-0.13.68-9.el8.i686.rpm
zziplib-debuginfo-0.13.68-9.el8.x86_64.rpm
zziplib-debugsource-0.13.68-9.el8.i686.rpm
zziplib-debugsource-0.13.68-9.el8.x86_64.rpm
zziplib-utils-0.13.68-9.el8.x86_64.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.i686.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 8):

aarch64:
zziplib-debuginfo-0.13.68-9.el8.aarch64.rpm
zziplib-debugsource-0.13.68-9.el8.aarch64.rpm
zziplib-devel-0.13.68-9.el8.aarch64.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.aarch64.rpm

ppc64le:
zziplib-debuginfo-0.13.68-9.el8.ppc64le.rpm
zziplib-debugsource-0.13.68-9.el8.ppc64le.rpm
zziplib-devel-0.13.68-9.el8.ppc64le.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.ppc64le.rpm

s390x:
zziplib-debuginfo-0.13.68-9.el8.s390x.rpm
zziplib-debugsource-0.13.68-9.el8.s390x.rpm
zziplib-devel-0.13.68-9.el8.s390x.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.s390x.rpm

x86_64:
zziplib-debuginfo-0.13.68-9.el8.i686.rpm
zziplib-debuginfo-0.13.68-9.el8.x86_64.rpm
zziplib-debugsource-0.13.68-9.el8.i686.rpm
zziplib-debugsource-0.13.68-9.el8.x86_64.rpm
zziplib-devel-0.13.68-9.el8.i686.rpm
zziplib-devel-0.13.68-9.el8.x86_64.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.i686.rpm
zziplib-utils-debuginfo-0.13.68-9.el8.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-2020-18442
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=c+7h
- -----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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=Nd2F
-----END PGP SIGNATURE-----