CVE-2021-27433

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Summary

CVECVE-2021-27433
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-05-03 21:15:00 UTC
Updated2022-05-12 19:15:00 UTC
DescriptionARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Risk And Classification

Problem Types: CWE-190

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Arm Mbed Ualloc 1.3.0 All All All

References

ReferenceSourceLinkTags
Multiple RTOS (Update D) | CISA CONFIRM www.cisa.gov
Add integer overflow check to the malloc wrappers by LDong-Arm · Pull Request #14408 · ARMmbed/mbed-os · GitHub CONFIRM github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA.

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