Home / mailings [gentoo-announce] [ GLSA 202006-06 ] ssvnc: Multiple vulnerabilities
Posted on 13 June 2020
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Gentoo Linux Security Advisory GLSA 202006-06
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https://security.gentoo.org/
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Severity: Normal
Title: ssvnc: Multiple vulnerabilities
Date: June 13, 2020
Bugs: #701820
ID: 202006-06
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Synopsis
========
Multiple vulnerabilities have been found in ssvnc, the worst of which
could result in the arbitrary execution of code.
Background
==========
The Enhanced TightVNC Viewer, SSVNC, adds encryption security to VNC
connections.
Affected packages
=================
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Package / Vulnerable / Unaffected
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1 net-misc/ssvnc <= 1.0.29-r2 Vulnerable!
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NOTE: Certain packages are still vulnerable. Users should migrate
to another package if one is available or wait for the
existing packages to be marked stable by their
architecture maintainers.
Description
===========
Multiple vulnerabilities have been discovered in ssvnc. Please review
the CVE identifiers referenced below for details.
Impact
======
Please review the referenced CVE identifiers for details.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
Gentoo has discontinued support for ssvnc. We recommend that users
unmerge ssvnc:
# emerge --unmerge "net-misc/ssvnc"
NOTE: The Gentoo developer(s) maintaining ssvnc have discontinued
support at this time. It may be possible that a new Gentoo developer
will update ssvnc at a later date. An alternative may be a manual SSH
tunnel.
References
==========
[ 1 ] CVE-2018-20020
https://nvd.nist.gov/vuln/detail/CVE-2018-20020
[ 2 ] CVE-2018-20021
https://nvd.nist.gov/vuln/detail/CVE-2018-20021
[ 3 ] CVE-2018-20022
https://nvd.nist.gov/vuln/detail/CVE-2018-20022
[ 4 ] CVE-2018-20024
https://nvd.nist.gov/vuln/detail/CVE-2018-20024
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202006-06
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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