PT-2022-10742 · Zephyr · Zephyr

Ceolin + 1 · Published 2022-02-07 · Updated 2022-02-11 · CVE-2021-3861

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Zephyr versions >= v2.6.0

Description The RNDIS USB device class includes a buffer overflow vulnerability, specifically a Heap-based Buffer Overflow (CWE-122).

Recommendations For Zephyr versions >= v2.6.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

CVE-2021-3861

GHSA-HVFP-W4H8-GXVJ

Affected Products

Zephyr

References · 9

• 🔥 http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj · Exploit
• https://ubuntu.com/security/CVE-2021-3861 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3861 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3861 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3861 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-3861 · Vendor Advisory
• https://t.me/cibsecurity/36981 · Telegram Post
• https://t.me/cvenotify/26668 · Telegram Post
• https://t.me/cvenotify/26412 · Telegram Post