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centosCentOS ProjectCESA-2021:2658
HistoryJul 07, 2021 - 6:17 p.m.

linuxptp security update

2021-07-0718:17:20
CentOS Project
lists.centos.org
54
centos
security advisory
precision time protocol
linux
cve-2021-3570

CVSS2

8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:P/I:P/A:C

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.012

Percentile

85.3%

CentOS Errata and Security Advisory CESA-2021:2658

The linuxptp packages provide Precision Time Protocol (PTP) implementation for Linux according to IEEE standard 1588 for Linux. The dual design goals are to provide a robust implementation of the standard and to use the most relevant and modern Application Programming Interfaces (API) offered by the Linux kernel.

Security Fix(es):

  • linuxptp: missing length check of forwarded messages (CVE-2021-3570)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-July/086132.html

Affected packages:
linuxptp

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:2658

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64linuxptp< 2.0-2.el7_9.1linuxptp-2.0-2.el7_9.1.x86_64.rpm

CVSS2

8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:P/I:P/A:C

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.012

Percentile

85.3%