PT-2022-8557 · Xiaomi · Miui

Published 2022-04-22 · Updated 2022-05-03 · CVE-2020-14123

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Some MIUI Services (affected versions not specified)

Description The issue is related to a pointer double free vulnerability. When a function is called, the memory pointer is copied to two function modules. An attacker can cause the pointer to be repeatedly released through malicious operations, resulting in the affected module crashing and affecting normal functionality. If successfully exploited, the issue can cause elevation of privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2020-14123

Affected Products

Miui

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-14123 · Security Note
• https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=134 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-14123 · Vendor Advisory
• https://t.me/cibsecurity/41327 · Telegram Post