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AUSCERT External Security Bulletin Redistribution
ESB-2021.2292
Security update for lua53
1 July 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: lua53
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-24371 CVE-2020-24370
Reference: ESB-2020.3317
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20212196-1
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SUSE Security Update: Security update for lua53
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2196-1
Rating: moderate
References: #1175448 #1175449
Cross-References: CVE-2020-24370 CVE-2020-24371
Affected Products:
SUSE MicroOS 5.0
SUSE Linux Enterprise Module for Basesystem 15-SP3
SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for lua53 fixes the following issues:
Update to version 5.3.6:
o CVE-2020-24371: lgc.c mishandles the interaction between barriers and the
sweep phase, leading to a memory access violation involving collectgarbage
(bsc#1175449)
o CVE-2020-24370: ldebug.c allows a negation overflow and segmentation fault
in getlocal and setlocal (bsc#1175448)
o Long brackets with a huge number of '=' overflow some internal buffer
arithmetic.
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE MicroOS 5.0:
zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-2196=1
o SUSE Linux Enterprise Module for Basesystem 15-SP3:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-2196=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-2196=1
Package List:
o SUSE MicroOS 5.0 (aarch64 x86_64):
liblua5_3-5-5.3.6-3.6.1
liblua5_3-5-debuginfo-5.3.6-3.6.1
lua53-debuginfo-5.3.6-3.6.1
lua53-debugsource-5.3.6-3.6.1
o SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x
x86_64):
liblua5_3-5-5.3.6-3.6.1
liblua5_3-5-debuginfo-5.3.6-3.6.1
lua53-5.3.6-3.6.1
lua53-debuginfo-5.3.6-3.6.1
lua53-debugsource-5.3.6-3.6.1
lua53-devel-5.3.6-3.6.1
o SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64):
liblua5_3-5-32bit-5.3.6-3.6.1
liblua5_3-5-32bit-debuginfo-5.3.6-3.6.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
liblua5_3-5-5.3.6-3.6.1
liblua5_3-5-debuginfo-5.3.6-3.6.1
lua53-5.3.6-3.6.1
lua53-debuginfo-5.3.6-3.6.1
lua53-debugsource-5.3.6-3.6.1
lua53-devel-5.3.6-3.6.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):
liblua5_3-5-32bit-5.3.6-3.6.1
liblua5_3-5-32bit-debuginfo-5.3.6-3.6.1
References:
o https://www.suse.com/security/cve/CVE-2020-24370.html
o https://www.suse.com/security/cve/CVE-2020-24371.html
o https://bugzilla.suse.com/1175448
o https://bugzilla.suse.com/1175449
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===========================================================================
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===========================================================================
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