Bug 1380296

Summary: openssh: Null pointer dereference due to early NEWKEYS
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: jjelen, mattias.ellert, plautrba, sardella, slawomir, tmraz
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 02:59:12 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: 1380297    
Bug Blocks: 1380299    

Description Andrej Nemec 2016-09-29 08:37:40 UTC
A null pointer dereference vulnerability was found in openssh.

Upstream fix:

https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737

Comment 1 Andrej Nemec 2016-09-29 08:38:07 UTC
Created openssh tracking bugs for this issue:

Affects: fedora-all [bug 1380297]

Comment 3 Huzaifa S. Sidhpurwala 2016-10-25 08:35:17 UTC
Analysis:

The attacker could use this flaw to crash his own connection and not crash the master listener server.