Security update for yaml-cpp

Announcement ID:	SUSE-SU-2022:1072-1
Rating:	moderate
References:	bsc#1121227 bsc#1121230 bsc#1122004 bsc#1122021
Cross-References:	CVE-2018-20573 CVE-2018-20574 CVE-2019-6285 CVE-2019-6292
CVSS scores:	CVE-2018-20573 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2018-20573 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2018-20574 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2018-20574 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2019-6285 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2019-6285 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2019-6292 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2019-6292 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Workstation Extension 12 12-SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for yaml-cpp fixes the following issues:

• CVE-2018-20573: Fixed remote DOS via a crafted YAML file in function Scanner:EnsureTokensInQueue (bsc#1121227).
• CVE-2018-20574: Fixed remote DOS via a crafted YAML file in function SingleDocParser:HandleFlowMap (bsc#1121230).
• CVE-2019-6285: Fixed remote DOS via a crafted YAML file in function SingleDocParser::HandleFlowSequence (bsc#1122004).
• CVE-2019-6292: Fixed DOS by stack consumption in singledocparser.cpp (bsc#1122021).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Workstation Extension 12 12-SP5
  zypper in -t patch SUSE-SLE-WE-12-SP5-2022-1072=1

Package List:

• SUSE Linux Enterprise Workstation Extension 12 12-SP5 (x86_64)
  • yaml-cpp-debugsource-0.5.3-3.6.3
  • libyaml-cpp0_5-0.5.3-3.6.3
  • libyaml-cpp0_5-debuginfo-0.5.3-3.6.3

References:

• https://www.suse.com/security/cve/CVE-2018-20573.html
• https://www.suse.com/security/cve/CVE-2018-20574.html
• https://www.suse.com/security/cve/CVE-2019-6285.html
• https://www.suse.com/security/cve/CVE-2019-6292.html
• https://bugzilla.suse.com/show_bug.cgi?id=1121227
• https://bugzilla.suse.com/show_bug.cgi?id=1121230
• https://bugzilla.suse.com/show_bug.cgi?id=1122004
• https://bugzilla.suse.com/show_bug.cgi?id=1122021