Integer overflow in ARM CMSIS-RTOS2



Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2021-27431
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CMSIS-RTOS2
Operating systems & Components / Operating system

Vendor ARM

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU52773

Risk: High

CVSSv4.0: 8.1 [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-2021-27431

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in inosRtxMemoryAlloc 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CMSIS-RTOS2: 0.02 - 2.1.3

CPE2.3 External links

https://ics-cert.us-cert.gov/advisories/icsa-21-119-04


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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