Bug 1654239 (CVE-2018-11766)

Summary: CVE-2018-11766 hadoop: Privilege escalation to root (Incomplete fix for CVE-2016-6811)
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: bchilds, bigdata-qe-bugs, ctubbsii, denis.arnaud_fedora, eboyd, hghasemb, matt, milleruntime, rhs-bugs, sisharma, ssaha, vbellur
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: hadoop 2.7.7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-10 10:43:22 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: 1654240    
Bug Blocks:    

Description Andrej Nemec 2018-11-28 10:18:23 UTC 
In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.

References:

https://seclists.org/oss-sec/2018/q4/185

External References:

https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c@%3Cgeneral.hadoop.apache.org%3E
Comment 1 Andrej Nemec 2018-11-28 10:18:34 UTC 
Created hadoop tracking bugs for this issue:

Affects: fedora-all [bug 1654240]