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.
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]/
Source: MITRE
Published: 2020-12-02
Updated: 2020-12-10
Type: CWE-787
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
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