ARM CMSIS RTOS2 up to 2.1.2 inosRtxMemoryAlloc integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in ARM CMSIS RTOS2 up to 2.1.2 and classified as problematic. This affects the function inosRtxMemoryAlloc. This manipulation causes integer overflow. This vulnerability appears as CVE-2021-27431. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ARM CMSIS RTOS2 up to 2.1.2. It has been declared as critical. Affected by this vulnerability is the function inosRtxMemoryAlloc. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 05/04/2022 as icsa-21-119-04. It is possible to read the advisory at cisa.gov. This vulnerability is known as CVE-2021-27431 since 02/19/2021. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.1.3 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

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

CNA Base Score: 7.3
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMSIS RTOS2 2.1.3

Timelineinfo

02/19/2021 🔍
05/04/2022 +438 days 🔍
05/04/2022 +0 days 🔍
05/07/2022 +3 days 🔍

Sourcesinfo

Advisory: icsa-21-119-04
Status: Confirmed

CVE: CVE-2021-27431 (🔍)
GCVE (CVE): GCVE-0-2021-27431
GCVE (VulDB): GCVE-100-198943

Entryinfo

Created: 05/04/2022 06:38
Updated: 05/07/2022 07:44
Changes: 05/04/2022 06:38 (50), 05/07/2022 07:44 (1)
Complete: 🔍
Cache ID: 216::103

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