MindSpore Inference Shape perm heap-based overflow

CVSS Meta Temp Score
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6.4$0-$5k0.00

A vulnerability was found in MindSpore (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component Inference Shape Handler. The manipulation of the argument perm with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

When performing the inference shape operation of the Transpose operator, if the value in the perm element is greater than or equal to the size of the input_shape, it will access data outside of bounds of input_shape which allocated from heap buffers.

The weakness was disclosed 06/27/2022 as mssa-2021-006. The advisory is available at gitee.com. This vulnerability was named CVE-2021-33649 since 05/28/2021. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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NVD Base Score: 7.5
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CVSSv2info

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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Timelineinfo

05/28/2021 🔍
06/27/2022 +395 days 🔍
06/27/2022 +0 days 🔍
07/15/2022 +18 days 🔍

Sourcesinfo

Advisory: mssa-2021-006
Status: Confirmed

CVE: CVE-2021-33649 (🔍)

Entryinfo

Created: 06/27/2022 23:32
Updated: 07/15/2022 17:06
Changes: 06/27/2022 23:32 (39), 07/15/2022 17:06 (18)
Complete: 🔍

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