CVE-2020-14305

high

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.

References

https://bugs.openvz.org/browse/OVZ-7188

https://bugzilla.redhat.com/show_bug.cgi?id=1850716

https://patchwork.ozlabs.org/project/netfilter-devel/patch/[email protected]/

https://security.netapp.com/advisory/ntap-20201210-0004/

Details

Source: MITRE

Published: 2020-12-02

Updated: 2020-12-10

Type: CWE-787

Risk Information

CVSS v2

Base Score: 8.3

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:C

Impact Score: 8.5

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH