Bug 1668104 (CVE-2019-6285)

Summary: CVE-2019-6285 yaml-cpp: DoS in SingleDocParser::HandleFlowSequence funtion
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: apevec, darunesh, jjoyce, jschluet, lhh, lpeer, mburns, sclewis, slinaber
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: If docs needed, set a value
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Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-27 03:24:45 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1668107, 1668106, 1676348, 1676349, 1676350, 1678997, 1678998, 1694668, 1694672, 1694675    
Bug Blocks: 1665574    

Description Laura Pardo 2019-01-21 22:14:10 UTC 
The SingleDocParser::HandleFlowSequence function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.


References:
https://github.com/jbeder/yaml-cpp/issues/660
Comment 1 Laura Pardo 2019-01-21 22:15:53 UTC 
Created yaml-cpp tracking bugs for this issue:

Affects: epel-all [bug 1668107]
Affects: fedora-all [bug 1668106]
Comment 4 Scott Gayou 2019-03-08 19:22:02 UTC 
*** Bug 1686723 has been marked as a duplicate of this bug. ***
Comment 5 Stefan Cornelius 2019-04-01 11:34:43 UTC 
This is very likely a dupe of CVE-2018-20573.
Comment 10 Yadnyawalk Tale 2020-08-11 14:38:27 UTC 
Statement:

This issue affects the versions of rh-mongodb32-yaml-cpp, rh-mongodb34-yaml-cpp, and rh-mongodb36-yaml-cpp as shipped with Red Hat Software Collections. However, this is only used to parse configuration files.

Red Hat Satellite 6.5 ship yaml-cpp however has been rated as a security impact of Low, product version Satellite 6.6 onward is not affected. Satellite 6.5 is in Maintenance Support phase of the product life cycle and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Satellite 6 Life Cycle: https://access.redhat.com/support/policy/updates/satellite.