Bug 1933065 (CVE-2020-36254) - CVE-2020-36254 dropbear: mishandles the filename of . or an empty filename
Summary: CVE-2020-36254 dropbear: mishandles the filename of . or an empty filename
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-36254
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1933066 1933067
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-02-25 15:46 UTC by Michael Kaplan
Modified: 2021-02-25 19:01 UTC (History)
3 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2021-02-25 19:01:54 UTC


Attachments (Terms of Use)

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.


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