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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2019.4116
lua security and bug fix update
6 November 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: lua
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6706
Reference: ESB-2019.1182
ESB-2019.0376
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3706
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Red Hat Security Advisory
Synopsis: Moderate: lua security and bug fix update
Advisory ID: RHSA-2019:3706-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3706
Issue date: 2019-11-05
CVE Names: CVE-2019-6706
=====================================================================
1. Summary:
An update for lua is now available for Red Hat Enterprise Linux 8.
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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The lua packages provide support for Lua, a powerful light-weight
programming language designed for extending applications. Lua is also
frequently used as a general-purpose, stand-alone language.
Security Fix(es):
* lua: use-after-free in lua_upvaluejoin in lapi.c resulting in denial of
service (CVE-2019-6706)
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 8.1 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/):
1670019 - CVE-2019-6706 lua: use-after-free in lua_upvaluejoin in lapi.c resulting in denial of service
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
lua-5.3.4-11.el8.aarch64.rpm
lua-debuginfo-5.3.4-11.el8.aarch64.rpm
lua-debugsource-5.3.4-11.el8.aarch64.rpm
lua-libs-debuginfo-5.3.4-11.el8.aarch64.rpm
ppc64le:
lua-5.3.4-11.el8.ppc64le.rpm
lua-debuginfo-5.3.4-11.el8.ppc64le.rpm
lua-debugsource-5.3.4-11.el8.ppc64le.rpm
lua-libs-debuginfo-5.3.4-11.el8.ppc64le.rpm
s390x:
lua-5.3.4-11.el8.s390x.rpm
lua-debuginfo-5.3.4-11.el8.s390x.rpm
lua-debugsource-5.3.4-11.el8.s390x.rpm
lua-libs-debuginfo-5.3.4-11.el8.s390x.rpm
x86_64:
lua-5.3.4-11.el8.x86_64.rpm
lua-debuginfo-5.3.4-11.el8.x86_64.rpm
lua-debugsource-5.3.4-11.el8.x86_64.rpm
lua-libs-debuginfo-5.3.4-11.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
lua-5.3.4-11.el8.src.rpm
aarch64:
lua-debuginfo-5.3.4-11.el8.aarch64.rpm
lua-debugsource-5.3.4-11.el8.aarch64.rpm
lua-libs-5.3.4-11.el8.aarch64.rpm
lua-libs-debuginfo-5.3.4-11.el8.aarch64.rpm
ppc64le:
lua-debuginfo-5.3.4-11.el8.ppc64le.rpm
lua-debugsource-5.3.4-11.el8.ppc64le.rpm
lua-libs-5.3.4-11.el8.ppc64le.rpm
lua-libs-debuginfo-5.3.4-11.el8.ppc64le.rpm
s390x:
lua-debuginfo-5.3.4-11.el8.s390x.rpm
lua-debugsource-5.3.4-11.el8.s390x.rpm
lua-libs-5.3.4-11.el8.s390x.rpm
lua-libs-debuginfo-5.3.4-11.el8.s390x.rpm
x86_64:
lua-debuginfo-5.3.4-11.el8.i686.rpm
lua-debuginfo-5.3.4-11.el8.x86_64.rpm
lua-debugsource-5.3.4-11.el8.i686.rpm
lua-debugsource-5.3.4-11.el8.x86_64.rpm
lua-libs-5.3.4-11.el8.i686.rpm
lua-libs-5.3.4-11.el8.x86_64.rpm
lua-libs-debuginfo-5.3.4-11.el8.i686.rpm
lua-libs-debuginfo-5.3.4-11.el8.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64:
lua-debuginfo-5.3.4-11.el8.aarch64.rpm
lua-debugsource-5.3.4-11.el8.aarch64.rpm
lua-devel-5.3.4-11.el8.aarch64.rpm
lua-libs-debuginfo-5.3.4-11.el8.aarch64.rpm
ppc64le:
lua-debuginfo-5.3.4-11.el8.ppc64le.rpm
lua-debugsource-5.3.4-11.el8.ppc64le.rpm
lua-devel-5.3.4-11.el8.ppc64le.rpm
lua-libs-debuginfo-5.3.4-11.el8.ppc64le.rpm
s390x:
lua-debuginfo-5.3.4-11.el8.s390x.rpm
lua-debugsource-5.3.4-11.el8.s390x.rpm
lua-devel-5.3.4-11.el8.s390x.rpm
lua-libs-debuginfo-5.3.4-11.el8.s390x.rpm
x86_64:
lua-5.3.4-11.el8.i686.rpm
lua-debuginfo-5.3.4-11.el8.i686.rpm
lua-debuginfo-5.3.4-11.el8.x86_64.rpm
lua-debugsource-5.3.4-11.el8.i686.rpm
lua-debugsource-5.3.4-11.el8.x86_64.rpm
lua-devel-5.3.4-11.el8.i686.rpm
lua-devel-5.3.4-11.el8.x86_64.rpm
lua-libs-debuginfo-5.3.4-11.el8.i686.rpm
lua-libs-debuginfo-5.3.4-11.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-2019-6706
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_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 2019 Red Hat, Inc.
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