Operating System:

[RedHat]

Published:

30 September 2020

Protect yourself against future threats.

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

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

                               ESB-2020.3402
             libexif security, bug fix, and enhancement update
                             30 September 2020

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

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

Product:           libexif
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Increased Privileges     -- Remote/Unauthenticated
                   Access Confidential Data -- Existing Account      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-13114 CVE-2020-13113 CVE-2020-12767
                   CVE-2020-0182 CVE-2020-0093 CVE-2019-9278

Reference:         ESB-2020.2074
                   ESB-2020.1888
                   ESB-2020.1759

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2020:4040

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

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

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

Synopsis:          Moderate: libexif security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:4040-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4040
Issue date:        2020-09-29
CVE Names:         CVE-2019-9278 CVE-2020-0093 CVE-2020-0182 
                   CVE-2020-12767 CVE-2020-13113 CVE-2020-13114 
=====================================================================

1. Summary:

An update for libexif 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 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:

The libexif packages provide a library for extracting extra information
from image files.

The following packages have been upgraded to a later upstream version:
libexif (0.6.22). (BZ#1841316)

Security Fix(es):

* libexif: out of bound write in exif-data.c (CVE-2019-9278)

* libexif: out of bounds read due to a missing bounds check in
exif_data_save_data_entry function in exif-data.c (CVE-2020-0093)

* libexif: use of uninitialized memory in EXIF Makernote handling can lead
to crashes and use-after-free (CVE-2020-13113)

* libexif: unrestricted size in handling Canon EXIF MakerNote data can lead
to consumption of large amounts of compute time (CVE-2020-13114)

* libexif: out of bounds read due to a missing bounds check in
exif_entry_get_value function in exif-entry.c (CVE-2020-0182)

* libexif: divide-by-zero in exif_entry_get_value function in exif-entry.c
(CVE-2020-12767)

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/):

1789031 - CVE-2019-9278 libexif: out of bound write in exif-data.c
1834950 - CVE-2020-12767 libexif: divide-by-zero in exif_entry_get_value function in exif-entry.c
1840347 - CVE-2020-13113 libexif: use of uninitialized memory in EXIF Makernote handling can lead to crashes and use-after-free
1840350 - CVE-2020-13114 libexif: unrestricted size in handling Canon EXIF MakerNote data can lead to consumption of large amounts of compute time
1841316 - Rebase to libexif 0.6.22
1852487 - CVE-2020-0093 libexif: out of bounds read due to a missing bounds check in exif_data_save_data_entry function in exif-data.c
1852490 - CVE-2020-0182 libexif: out of bounds read due to a missing bounds check in exif_entry_get_value function in exif-entry.c

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
libexif-0.6.22-1.el7.src.rpm

x86_64:
libexif-0.6.22-1.el7.i686.rpm
libexif-0.6.22-1.el7.x86_64.rpm
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm
libexif-devel-0.6.22-1.el7.i686.rpm
libexif-devel-0.6.22-1.el7.x86_64.rpm
libexif-doc-0.6.22-1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
libexif-0.6.22-1.el7.src.rpm

x86_64:
libexif-0.6.22-1.el7.i686.rpm
libexif-0.6.22-1.el7.x86_64.rpm
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm
libexif-devel-0.6.22-1.el7.i686.rpm
libexif-devel-0.6.22-1.el7.x86_64.rpm
libexif-doc-0.6.22-1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
libexif-0.6.22-1.el7.src.rpm

ppc64:
libexif-0.6.22-1.el7.ppc.rpm
libexif-0.6.22-1.el7.ppc64.rpm
libexif-debuginfo-0.6.22-1.el7.ppc.rpm
libexif-debuginfo-0.6.22-1.el7.ppc64.rpm

ppc64le:
libexif-0.6.22-1.el7.ppc64le.rpm
libexif-debuginfo-0.6.22-1.el7.ppc64le.rpm

s390x:
libexif-0.6.22-1.el7.s390.rpm
libexif-0.6.22-1.el7.s390x.rpm
libexif-debuginfo-0.6.22-1.el7.s390.rpm
libexif-debuginfo-0.6.22-1.el7.s390x.rpm

x86_64:
libexif-0.6.22-1.el7.i686.rpm
libexif-0.6.22-1.el7.x86_64.rpm
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
libexif-debuginfo-0.6.22-1.el7.ppc.rpm
libexif-debuginfo-0.6.22-1.el7.ppc64.rpm
libexif-devel-0.6.22-1.el7.ppc.rpm
libexif-devel-0.6.22-1.el7.ppc64.rpm
libexif-doc-0.6.22-1.el7.ppc64.rpm

ppc64le:
libexif-debuginfo-0.6.22-1.el7.ppc64le.rpm
libexif-devel-0.6.22-1.el7.ppc64le.rpm
libexif-doc-0.6.22-1.el7.ppc64le.rpm

s390x:
libexif-debuginfo-0.6.22-1.el7.s390.rpm
libexif-debuginfo-0.6.22-1.el7.s390x.rpm
libexif-devel-0.6.22-1.el7.s390.rpm
libexif-devel-0.6.22-1.el7.s390x.rpm
libexif-doc-0.6.22-1.el7.s390x.rpm

x86_64:
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm
libexif-devel-0.6.22-1.el7.i686.rpm
libexif-devel-0.6.22-1.el7.x86_64.rpm
libexif-doc-0.6.22-1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
libexif-0.6.22-1.el7.src.rpm

x86_64:
libexif-0.6.22-1.el7.i686.rpm
libexif-0.6.22-1.el7.x86_64.rpm
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
libexif-debuginfo-0.6.22-1.el7.i686.rpm
libexif-debuginfo-0.6.22-1.el7.x86_64.rpm
libexif-devel-0.6.22-1.el7.i686.rpm
libexif-devel-0.6.22-1.el7.x86_64.rpm
libexif-doc-0.6.22-1.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-2019-9278
https://access.redhat.com/security/cve/CVE-2020-0093
https://access.redhat.com/security/cve/CVE-2020-0182
https://access.redhat.com/security/cve/CVE-2020-12767
https://access.redhat.com/security/cve/CVE-2020-13113
https://access.redhat.com/security/cve/CVE-2020-13114
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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=wUgb
- -----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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=F+T9
-----END PGP SIGNATURE-----