ARM mbed-ualloc 1.3.0 mbed_krbs integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in ARM mbed-ualloc 1.3.0. This issue affects the function mbed_krbs. Executing a manipulation can lead to integer overflow. This vulnerability appears as CVE-2021-27433. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in ARM mbed-ualloc 1.3.0. This vulnerability affects the function mbed_krbs. 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. The advisory is shared for download at cisa.gov. This vulnerability was named CVE-2021-27433 since 02/19/2021. There are known technical details, but no exploit is available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

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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-2021-27433 (🔍)
GCVE (CVE): GCVE-0-2021-27433
GCVE (VulDB): GCVE-100-198928

Entryinfo

Created: 05/04/2022 06:26
Updated: 05/05/2022 17:37
Changes: 05/04/2022 06:26 (50), 05/05/2022 17:37 (1)
Complete: 🔍
Cache ID: 216::103

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