CVE-2018-20021
Detail
Modified This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
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
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
References to Advisories, Solutions, and Tools
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URL
Source(s)
Tag(s)
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/
CVE, Kaspersky Labs
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
CVE, Kaspersky Labs
Mailing List
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
CVE, Kaspersky Labs
https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
CVE, Kaspersky Labs
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
CVE, Kaspersky Labs
https://security.gentoo.org/glsa/201908-05
CVE, Kaspersky Labs
https://security.gentoo.org/glsa/202006-06
CVE, Kaspersky Labs
https://usn.ubuntu.com/3877-1/
CVE, Kaspersky Labs
Third Party Advisory
https://usn.ubuntu.com/4547-1/
CVE, Kaspersky Labs
https://usn.ubuntu.com/4547-2/
CVE, Kaspersky Labs
https://usn.ubuntu.com/4587-1/
CVE, Kaspersky Labs
https://www.debian.org/security/2019/dsa-4383
CVE, Kaspersky Labs
Third Party Advisory
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
NIST
Change History
16 change records found show changes
CVE Modified by CVE 11/20/2024 11:00:46 PM
Action
Type
Old Value
New Value
Added
Reference
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/
Added
Reference
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
Added
Reference
https://security.gentoo.org/glsa/201908-05
Added
Reference
https://security.gentoo.org/glsa/202006-06
Added
Reference
https://usn.ubuntu.com/3877-1/
Added
Reference
https://usn.ubuntu.com/4547-1/
Added
Reference
https://usn.ubuntu.com/4547-2/
Added
Reference
https://usn.ubuntu.com/4587-1/
Added
Reference
https://www.debian.org/security/2019/dsa-4383
CVE Modified by Kaspersky Labs 5/14/2024 1:13:46 AM
Action
Type
Old Value
New Value
CVE Modified by Kaspersky Labs 10/23/2020 9:15:14 AM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/4587-1/ [No Types Assigned]
CVE Modified by Kaspersky Labs 10/05/2020 4:15:12 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/4547-2/ [No Types Assigned]
CVE Modified by Kaspersky Labs 9/30/2020 4:15:13 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/4547-1/ [No Types Assigned]
CVE Modified by Kaspersky Labs 6/12/2020 11:15:10 PM
Action
Type
Old Value
New Value
Added
Reference
https://security.gentoo.org/glsa/202006-06 [No Types Assigned]
CVE Modified by Kaspersky Labs 12/21/2019 1:15:11 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html [No Types Assigned]
CVE Modified by Kaspersky Labs 11/29/2019 1:15:11 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html [No Types Assigned]
CVE Modified by Kaspersky Labs 10/30/2019 9:15:14 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html [No Types Assigned]
CWE Remap by NIST 10/02/2019 8:03:26 PM
Action
Type
Old Value
New Value
Changed
CWE
CWE-400
CWE-400
CWE-399
CWE-835
CVE Modified by Kaspersky Labs 8/09/2019 7:15:14 PM
Action
Type
Old Value
New Value
Added
Reference
https://security.gentoo.org/glsa/201908-05 [No Types Assigned]
Modified Analysis by NIST 2/26/2019 12:37:13 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
OR
*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://usn.ubuntu.com/3877-1/ No Types Assigned
https://usn.ubuntu.com/3877-1/ Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2019/dsa-4383 No Types Assigned
https://www.debian.org/security/2019/dsa-4383 Third Party Advisory
CVE Modified by Kaspersky Labs 2/04/2019 6:29:01 AM
Action
Type
Old Value
New Value
Added
Reference
https://www.debian.org/security/2019/dsa-4383 [No Types Assigned]
CVE Modified by Kaspersky Labs 2/01/2019 6:29:02 AM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/3877-1/ [No Types Assigned]
Initial Analysis by NIST 1/07/2019 4:11:03 PM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CVSS V2
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Added
CWE
CWE-400
Added
CPE Configuration
OR
*cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:* versions up to (excluding) 0.9.12
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Changed
Reference Type
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/ No Types Assigned
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/ Third Party Advisory
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html Mailing List, Third Party Advisory
CVE Modified by Kaspersky Labs 12/27/2018 6:29:00 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html [No Types Assigned]
Quick Info
CVE Dictionary Entry: CVE-2018-20021 NVD
Published Date: 12/19/2018 NVD
Last Modified: 11/20/2024
Source: Kaspersky Labs
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