PT-2022-5118 · Qnap · Qvr Elite+2

Crixer · Published 2022-01-13 · Updated 2022-01-22 · CVE-2021-38692

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions QVR Elite versions prior to 2.1.4.0 QVR Pro versions prior to 2.1.3.0 QVR Guard versions prior to 2.1.3.0

Description A stack buffer overflow vulnerability has been reported to affect QNAP devices running QVR Elite, QVR Pro, and QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code.

Recommendations For QVR Elite versions prior to 2.1.4.0, update to version 2.1.4.0 or later. For QVR Pro versions prior to 2.1.3.0, update to version 2.1.3.0 or later. For QVR Guard versions prior to 2.1.3.0, update to version 2.1.3.0 or later.

Fix

Memory Corruption

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-121

CWE-120

Related Identifiers

BDU:2022-06367

CVE-2021-38692

Affected Products

Qvr Elite

Qvr Guard

Qvr Pro

References · 6

• https://qnap.com/en/security-advisory/qsa-21-59 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38692 · Security Note
• https://bdu.fstec.ru/vul/2022-06367 · Security Note
• https://osv.dev/vulnerability/CVE-2021-38692 · Vendor Advisory
• https://t.me/cvenotify/25470 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2022011402 · Note