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CVE-2021-22547 Details

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NameCVE-2021-22547
StatusCandidate
DescriptionIn IoT Devices SDK, there is an implementation of calloc() that doesn't have a length check. An attacker could pass in memory objects larger than the buffer and wrap around to have a smaller buffer than required, allowing the attacker access to the other parts of the heap. We recommend upgrading the Google Cloud IoT Device SDK for Embedded C used to 1.0.3 or greater.
ReferencesMISC: https://github.com/GoogleCloudPlatform/iot-device-sdk-embedded-c/blob/master/RELEASE-NOTES.md
URL: https://github.com/GoogleCloudPlatform/iot-device-sdk-embedded-c/blob/master/RELEASE-NOTES.md
MISC: https://github.com/GoogleCloudPlatform/iot-device-sdk-embedded-c/pull/119
URL: https://github.com/GoogleCloudPlatform/iot-device-sdk-embedded-c/pull/119
PhaseAssigned (20210105)
VotesNone (candidate not yet proposed)
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