CVE-2021-3570

high

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.fedoraproject.org/archives/list/[email protected]/message/RHRUVSDP673LXJ5HGIPQPWPIYUPWYQA7/

https://lists.fedoraproject.org/archives/list/[email protected]/message/VUBKTRCMJ6VKS7DIBSZQB4ATSKVCJYXJ/

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