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AUSCERT External Security Bulletin Redistribution
ESB-2019.4510
SUSE-SU-2019:3086-1 Security update for libidn2
29 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: libidn2
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-18224 CVE-2019-12290
Reference: ESB-2019.4016
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-20193086-1.html
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SUSE Security Update: Security update for libidn2
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:3086-1
Rating: moderate
References: #1154884 #1154887
Cross-References: CVE-2019-12290 CVE-2019-18224
Affected Products:
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
SUSE Linux Enterprise Module for Basesystem 15-SP1
SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for libidn2 to version 2.2.0 fixes the following issues:
o CVE-2019-12290: Fixed an improper round-trip check when converting A-labels
to U-labels (bsc#1154884).
o CVE-2019-18224: Fixed a heap-based buffer overflow that was caused by long
domain strings (bsc#1154887).
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 Linux Enterprise Module for Open Buildservice Development Tools
15-SP1:
zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-3086=1
o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:
zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-3086=1
o SUSE Linux Enterprise Module for Basesystem 15-SP1:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-3086=1
o SUSE Linux Enterprise Module for Basesystem 15:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-3086=1
Package List:
o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
(aarch64 ppc64le s390x x86_64):
libidn2-debugsource-2.2.0-3.3.1
libidn2-tools-2.2.0-3.3.1
libidn2-tools-debuginfo-2.2.0-3.3.1
o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
(aarch64 ppc64le s390x x86_64):
libidn2-debugsource-2.2.0-3.3.1
libidn2-tools-2.2.0-3.3.1
libidn2-tools-debuginfo-2.2.0-3.3.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x
x86_64):
libidn2-0-2.2.0-3.3.1
libidn2-0-debuginfo-2.2.0-3.3.1
libidn2-debugsource-2.2.0-3.3.1
libidn2-devel-2.2.0-3.3.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64):
libidn2-0-32bit-2.2.0-3.3.1
libidn2-0-32bit-debuginfo-2.2.0-3.3.1
o SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x
x86_64):
libidn2-0-2.2.0-3.3.1
libidn2-0-debuginfo-2.2.0-3.3.1
libidn2-debugsource-2.2.0-3.3.1
libidn2-devel-2.2.0-3.3.1
o SUSE Linux Enterprise Module for Basesystem 15 (x86_64):
libidn2-0-32bit-2.2.0-3.3.1
libidn2-0-32bit-debuginfo-2.2.0-3.3.1
References:
o https://www.suse.com/security/cve/CVE-2019-12290.html
o https://www.suse.com/security/cve/CVE-2019-18224.html
o https://bugzilla.suse.com/1154884
o https://bugzilla.suse.com/1154887
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