6.8 - RHSA-2019:2298

Problem Description:

An update for libarchive 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:

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: Double free in RAR decoder resulting in a denial of service (CVE-2018-1000877)

* libarchive: Use after free in RAR decoder resulting in a denial of service (CVE-2018-1000878)

* libarchive: Out of bounds read in archive_read_support_format_7zip.c resulting in a denial of service (CVE-2019-1000019)

* libarchive: Infinite recursion in archive_read_support_format_iso9660.c resulting in denial of service (CVE-2019-1000020)

* libarchive: Out-of-bounds read in lha_read_data_none (CVE-2017-14503)

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 7.7 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/):

1494449 - CVE-2017-14503 libarchive: Out-of-bounds read in lha_read_data_none 1663887 - CVE-2018-1000877 libarchive: Double free in RAR decoder resulting in a denial of service 1663889 - CVE-2018-1000878 libarchive: Use after free in RAR decoder resulting in a denial of service 1672888 - CVE-2019-1000020 libarchive: Infinite recursion in archive_read_support_format_iso9660.c resulting in denial of service 1672892 - CVE-2019-1000019 libarchive: Out of bounds read in archive_read_support_format_7zip.c resulting in a denial of service