PT-2022-26025 · Unknown · Openharmony

Published 2022-10-14 · Updated 2024-09-09 · CVE-2022-41686

Positive Technologies (AI Summary)

CVSS v3.1

5.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenHarmony versions 3.1.2 and prior OpenHarmony versions 3.0.6 and prior

Description The issue is related to an Out-of-bound memory read and write vulnerability in the /dev/mmz userdev device driver. The impact depends on the privileges of the attacker. An unprivileged process could read out-of-bound memory, leading to sensitive information disclosure. Processes with system user UID could write out-of-bound memory, potentially causing unspecified memory corruption.

Recommendations For OpenHarmony versions 3.1.2 and prior, consider restricting access to the /dev/mmz userdev device driver until a patch is available. For OpenHarmony versions 3.0.6 and prior, consider restricting access to the /dev/mmz userdev device driver until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Memory Corruption

Weakness Enumeration

CWE-125

CWE-787

Related Identifiers

CVE-2022-41686

Affected Products

Openharmony

References · 5

• https://osv.dev/vulnerability/CVE-2022-41686 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-41686 · Security Note
• https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-10.md · Note
• https://t.me/cibsecurity/51439 · Telegram Post
• https://t.me/cvenotify/93757 · Telegram Post