Buffer overflow in linuxptp - CVE-2021-3570

 

Buffer overflow in linuxptp - CVE-2021-3570

Published: July 6, 2021


Vulnerability identifier: #VU54573
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-3570
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Richard Cochran
Affected software:
linuxptp

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when forwarding PTP messages between ports in ptp41 program. A remote attacker can send specially crafted messages to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-3570

Install updates from vendor's website.

Sources