Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-3570

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
09/07/2021
Last modified:
07/11/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:C CVSS v2.0 Severity and Metrics:

Base Score: 8.00 HIGH
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Complete

Base Score 2.0
8.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 1.5.1 (excluding)
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 1.6.0 (including) 1.6.1 (excluding)
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 1.7.0 (including) 1.7.1 (excluding)
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 1.8.0 (including) 1.8.1 (excluding)
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 1.9.0 (including) 1.9.3 (excluding)
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 2.0.0 (including) 2.0.1 (excluding)
cpe:2.3:a:linuxptp_project:linuxptp:*:*:*:*:*:*:*:* 3.0.0 (including) 3.1.1 (excluding)
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_tus:8.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools