7.1

CVE-2021-3571

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linuxptp ProjectLinuxptp Version < 2.0.1
Linuxptp ProjectLinuxptp Version >= 3.0 < 3.1.1
RedhatEnterprise Linux Version8.0 SwEdition-
FedoraprojectFedora Version33
FedoraprojectFedora Version34
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.41% 0.586
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.1 2.8 4.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
nvd@nist.gov 5.5 8 4.9
AV:N/AC:L/Au:S/C:P/I:N/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.