linuxptp up to 3.1.0 ptp4l memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in linuxptp up to 3.1.0 and classified as critical. The affected element is an unknown function of the component ptp4l. This manipulation causes memory corruption. This vulnerability is registered as CVE-2021-3570. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in linuxptp up to 3.1.0 and classified as critical. Affected by this vulnerability is an unknown part of the component ptp4l. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 07/09/2021. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2021-3570. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 236579 (Alibaba Cloud Linux 3 : 0050: linuxptp (ALINUX3-SA-2021:0050)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.5.1, 1.6.1, 1.7.1, 1.8.1, 1.9.3, 2.0.1 or 3.1.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236579). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236579
Nessus Name: Alibaba Cloud Linux 3 : 0050: linuxptp (ALINUX3-SA-2021:0050)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: linuxptp 1.5.1/1.6.1/1.7.1/1.8.1/1.9.3/2.0.1/3.1.1

Timelineinfo

05/31/2021 🔍
07/09/2021 +39 days 🔍
07/09/2021 +0 days 🔍
05/21/2025 +1412 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3570 (🔍)
GCVE (CVE): GCVE-0-2021-3570
GCVE (VulDB): GCVE-100-178195

Entryinfo

Created: 07/09/2021 16:29
Updated: 05/21/2025 16:56
Changes: 07/09/2021 16:29 (37), 07/11/2021 14:33 (5), 05/21/2025 16:56 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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