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CVE-2020-14305

Published: Dec 2, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-787
NVD MITRE
8.1CVSSHIGH
EPSS Score
5.1%
Top 8.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

linux kernellinux
On-premOS
Operating Systems
cloud backupnetappHardware Firmware
a250 firmwarenetappHardware Firmware
fas 500f firmwarenetappHardware Firmware
aff 500f firmwarenetappHardware Firmware
linuxoss-projectOperating Systemsaka the linux kernel
netappcommercialUSHardware Firmware
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://bugs.openvz.org/browse/OVZ-7188
bugs.openvz.org
https://bugzilla.redhat.com/show_bug.cgi?id=1850716
bugzilla.redhat.com
https://patchwork.ozlabs.org/project/netfilter-devel/patch/c2385b5c-309c-cc64-2e10-a0ef62897502%40virtuozzo.com/
patchwork.ozlabs.org
and 215 more references View all →

Timeline

Published
Dec 2, 2020
Last Updated
Nov 21, 2024

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