CVE-2021-3570high
Description
A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports allows a remote attacker to cause an information leak, crash, or potentially remote code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. This flaw affects linuxptp versions before 3.1.1, before 2.0.1, before 1.9.3, before 1.8.1, before 1.7.1, before 1.6.1 and before 1.5.1.
References
https://bugzilla.redhat.com/show_bug.cgi?id=1966240
https://www.debian.org/security/2021/dsa-4938
https://lists.debian.org/debian-lts-announce/2021/07/msg00025.html
Details
Source: MITRE
Published: 2021-07-09
Updated: 2022-10-07
Type: CWE-787
Risk Information
CVSS v2
Base Score: 8
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:C
Impact Score: 8.5
Exploitability Score: 8
Severity: HIGH
CVSS v3
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH