CVE-2021-3571

 

Published at: - 09-07-2021 01:15

Last modified: - 07-10-2022 10:27

Total changes: - 6

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. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

 

Verification logic

 

Reference

• https://bugzilla.redhat.com/show_bug.cgi?id=1966241
• FEDORA-2021-a5b584004c-Mailing List, Third Party Advisory
• FEDORA-2021-1b42c2f458-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2021-3571

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures