REDHAT-BUG-1665785
First published: Mon Jan 14 2019(Updated: )
In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. Upstream Patch: <a href="https://github.com/openssh/openssh-portable/commit/6010c030">https://github.com/openssh/openssh-portable/commit/6010c030</a> <a href="https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h">https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSH |
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Reference Links
- https://github.com/openssh/openssh-portable/commit/6010c030
- https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1665786
- https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1665785#c4
- https://access.redhat.com/errata/RHSA-2019:3702
- https://access.redhat.com/security/cve/cve-2018-20685
- https://bugzilla.redhat.com/show_bug.cgi?id=1665785
Frequently Asked Questions
What is the severity of REDHAT-BUG-1665785?
The severity of REDHAT-BUG-1665785 is classified as high due to the potential for unauthorized access to files.
How do I fix REDHAT-BUG-1665785?
To fix REDHAT-BUG-1665785, update your OpenSSH installation to the latest version that includes the patch.
What systems are affected by REDHAT-BUG-1665785?
REDHAT-BUG-1665785 affects OpenSSH version 7.9 and possibly earlier versions.
What vulnerabilities are associated with REDHAT-BUG-1665785?
The vulnerability in REDHAT-BUG-1665785 allows unauthorized file access through manipulated filenames.
Is there a workaround for REDHAT-BUG-1665785?
A workaround for REDHAT-BUG-1665785 may include restricting file access permissions until an update is applied.
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