#VU52782 Integer overflow in Micrium uCOS-II and Micrium uCOS-III - CVE-2021-26706
Published: April 30, 2021
Vulnerability identifier: #VU52782
Vulnerability risk: High
CVSSv4.0: 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-2021-26706
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Micrium uCOS-II
Micrium uCOS-III
Micrium uCOS-II
Micrium uCOS-III
Software vendor:
Silicon Labs
Silicon Labs
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in Mem_DynPoolCreate, Mem_DynPoolCreateHW and Mem_PoolCreate function. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.