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Red Hat: RHSA-2020-0271 Important: Libarchive Use-After-Free Fix

red hat
Calendar Grey January 29, 2020
Dist Redhat Esm H88
A significant update for libarchive within Red Hat Enterprise Linux resolves severe vulnerabilities related to use-after-free errors. Discover more.
An update for libarchive is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory Red Hat software update important libarchive use-after-free archive

References

https://access.redhat.com/security/cve/CVE-2019-18408 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: libarchive-3.3.2-8.el8_1.src.rpm
aarch64: bsdcat-debuginfo-3.3.2-8.el8_1.aarch64.rpm bsdcpio-debuginfo-3.3.2-8.el8_1.aarch64.rpm bsdtar-3.3.2-8.el8_1.aarch64.rpm bsdtar-debuginfo-3.3.2-8.el8_1.aarch64.rpm libarchive-3.3.2-8.el8_1.aarch64.rpm libarchive-debuginfo-3.3.2-8.el8_1.aarch64.rpm libarchive-debugsource-3.3.2-8.el8_1.aarch64.rpm
ppc64le: bsdcat-debuginfo-3.3.2-8.el8_1.ppc64le.rpm bsdcpio-debuginfo-3.3.2-8.el8_1.ppc64le.rpm bsdtar-3.3.2-8.el8_1.ppc64le.rpm bsdtar-debuginfo-3.3.2-8.el8_1.ppc64le.rpm libarchive-3.3.2-8.el8_1.ppc64le.rpm libarchive-debuginfo-3.3.2-8.el8_1.ppc64le.rpm libarchive-debugsource-3.3.2-8.el8_1.ppc64le.rpm
s390x: bsdcat-debuginfo-3.3.2-8.el8_1.s390x.rpm bsdcpio-debuginfo-3.3.2-8.el8_1.s390x.rpm bsdtar-3.3.2-8.el8_1.s390x.rpm bsdtar-debuginfo-3.3.2-8.el8_1.s390x.rpm libarchive-3.3.2-8.el8_1.s390x.rpm libarchive-debuginfo-3.3.2-8.el8_1.s390x.rpm libarchive-debugsource-3.3.2-8.el8_1.s390x.rpm
x86_64: bsdcat-debuginfo-3.3.2-8.el8_1.i686.rpm bsdcat-debuginfo-3.3.2-8.el8_1.x86_64.rpm bsdcpio-debuginfo-3.3.2-8.el8_1.i686.rpm bsdcpio-debuginfo-3.3.2-8.el8_1.x86_64.rpm bsdtar-3.3.2-8.el8_1.x86_64.rpm bsdtar-debuginfo-3.3.2-8.el8_1.i686.rpm bsdtar-debuginfo-3.3.2-8.el8_1.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0271-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0271
Issue date: 2020-01-29

Topic

An update for libarchive is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat software update important libarchive use-after-free archive

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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