ARM mbed 6.3.0 malloc_wrapper integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in ARM mbed 6.3.0 and classified as critical. Impacted is the function malloc_wrapper. The manipulation leads to integer overflow. This vulnerability is traded as CVE-2021-27435. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ARM mbed 6.3.0. This issue affects the function malloc_wrapper. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/04/2022 as icsa-21-119-04. The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2021-27435 since 02/19/2021. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

02/19/2021 🔍
05/04/2022 +438 days 🔍
05/04/2022 +0 days 🔍
05/05/2022 +1 days 🔍

Sourcesinfo

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

CVE: CVE-2021-27435 (🔍)
GCVE (CVE): GCVE-0-2021-27435
GCVE (VulDB): GCVE-100-198929

Entryinfo

Created: 05/04/2022 06:27
Updated: 05/05/2022 17:45
Changes: 05/04/2022 06:27 (50), 05/05/2022 17:45 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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