CVE-2018-20021
HIGH
7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
HIGH
7,8
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: complete
Description
AI Translation Available
LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0255
Percentile
0,9th
Updated
EPSS Score Trend (Last 91 Days)
835
Loop with Unreachable Exit Condition ('Infinite Loop')
IncompleteCommon Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Dos: Amplification
Applicable Platforms
All platforms may be affected
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Libvncserver by Libvnc Project
Version Range Affected
To
0.9.12
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-1…
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
https://security.gentoo.org/glsa/201908-05
https://security.gentoo.org/glsa/202006-06
https://usn.ubuntu.com/3877-1/
https://usn.ubuntu.com/4547-1/
https://usn.ubuntu.com/4547-2/
https://usn.ubuntu.com/4587-1/
https://www.debian.org/security/2019/dsa-4383
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-1…
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
https://security.gentoo.org/glsa/201908-05
https://security.gentoo.org/glsa/202006-06
https://usn.ubuntu.com/3877-1/
https://usn.ubuntu.com/4547-1/
https://usn.ubuntu.com/4547-2/
https://usn.ubuntu.com/4587-1/
https://www.debian.org/security/2019/dsa-4383