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CVE-2021-3571

Public on 2021-07-09
Modified on 2024-02-12
Description

A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability.

Severity
Medium
See what this means
CVSS v3 Base Score
7.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core linuxptp 2021-09-08 23:35 ALAS2-2021-1705

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
NVD CVSSv3 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
NVD CVSSv2 5.5 AV:N/AC:L/Au:S/C:P/I:N/A:P