Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title ssvnc: Multiple vulnerabilities
Informations
Name GLSA-202006-06 First vendor Publication 2020-06-13
Vendor Gentoo Last vendor Modification 2020-06-13
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

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

Original Source

Url : http://security.gentoo.org/glsa/glsa-202006-06.xml

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
33 % CWE-665 Improper Initialization
33 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 4
Os 2

Nessus® Vulnerability Scanner

Date Description
2018-12-27 Name : The remote Debian host is missing a security update.
File : debian_DLA-1617.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2024-11-12 21:02:29
  • First insertion