[RHSA-2020:0246-01] Important: libarchive security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Important: libarchive security update
Advisory ID:       RHSA-2020:0246-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:0246
Issue date:        2020-01-27
CVE Names:         CVE-2019-18408 
=====================================================================

1. Summary:

An update for libarchive is now available for Red Hat Enterprise Linux 8.0
Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 BaseOS E4S (v. 8.0) - ppc64le, x86_64

3. Description:

The libarchive programming library can create and read several different
streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM
images. Libarchive is used notably in the bsdtar utility, scripting
language bindings such as python-libarchive, and several popular desktop
file managers.

Security Fix(es):

* libarchive: use-after-free in archive_read_format_rar_read_data when
there is an error in the decompression of an archive entry (CVE-2019-18408)

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.

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/):

1769979 - CVE-2019-18408 libarchive: use-after-free in archive_read_format_rar_read_data when there is an error in the decompression of an archive entry

6. Package List:

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):

Source:
libarchive-3.3.2-4.el8_0.src.rpm

ppc64le:
bsdcat-debuginfo-3.3.2-4.el8_0.ppc64le.rpm
bsdcpio-debuginfo-3.3.2-4.el8_0.ppc64le.rpm
bsdtar-3.3.2-4.el8_0.ppc64le.rpm
bsdtar-debuginfo-3.3.2-4.el8_0.ppc64le.rpm
libarchive-3.3.2-4.el8_0.ppc64le.rpm
libarchive-debuginfo-3.3.2-4.el8_0.ppc64le.rpm
libarchive-debugsource-3.3.2-4.el8_0.ppc64le.rpm

x86_64:
bsdcat-debuginfo-3.3.2-4.el8_0.i686.rpm
bsdcat-debuginfo-3.3.2-4.el8_0.x86_64.rpm
bsdcpio-debuginfo-3.3.2-4.el8_0.i686.rpm
bsdcpio-debuginfo-3.3.2-4.el8_0.x86_64.rpm
bsdtar-3.3.2-4.el8_0.x86_64.rpm
bsdtar-debuginfo-3.3.2-4.el8_0.i686.rpm
bsdtar-debuginfo-3.3.2-4.el8_0.x86_64.rpm
libarchive-3.3.2-4.el8_0.i686.rpm
libarchive-3.3.2-4.el8_0.x86_64.rpm
libarchive-debuginfo-3.3.2-4.el8_0.i686.rpm
libarchive-debuginfo-3.3.2-4.el8_0.x86_64.rpm
libarchive-debugsource-3.3.2-4.el8_0.i686.rpm
libarchive-debugsource-3.3.2-4.el8_0.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-2019-18408
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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