Bug 1933065 (CVE-2020-36254)

Summary: CVE-2020-36254 dropbear: mishandles the filename of . or an empty filename
Product: [Other] Security Response Reporter: Michael Kaplan <mkaplan>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: buytenh, daniellarasouza, i
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2021-02-25 19:01:54 UTC Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1933066, 1933067    
Bug Blocks:    

Description Michael Kaplan 2021-02-25 15:46:23 UTC
scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

Comment 1 Michael Kaplan 2021-02-25 15:46:28 UTC
External References:

https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff

Comment 2 Michael Kaplan 2021-02-25 15:46:52 UTC
Created dropbear tracking bugs for this issue:

Affects: epel-all [bug 1933067]
Affects: fedora-all [bug 1933066]

Comment 3 Product Security DevOps Team 2021-02-25 19:01:54 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.