#VU52209 Use of Out-of-range Pointer Offset in Siemens products - CVE-2020-27009
Published: April 14, 2021
Vulnerability identifier: #VU52209
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-27009
CWE-ID: CWE-823
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nucleus RTOS
Nucleus Source Code
VSTAR
Nucleus NET
Nucleus RTOS
Nucleus Source Code
VSTAR
Nucleus NET
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the DNS domain name record decompression functionality does not properly validate the pointer offset values. A remote atttacker can execute arbitrary code on the system.
Remediation
Install updates from vendor's website.