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CVE-2021-27439

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CVE-2021-27439

Published: May 3, 2022

Modified: Apr 16, 2025

PUBLISHED

CVSS v3.1

7.3

HIGH

Description

TencentOS-tiny version 3.1.0 is vulnerable to integer wrap-around in function 'tos_mmheap_alloc incorrect calculation of effective memory allocation size. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

VendorProductVersions

TencentOS-tiny

TencentOS-tiny

affected
3.1.0

Weaknesses (CWE)

CWE-190

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

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