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QNAP QTS / QuTS hero Out-of-Bounds Read (QSA-21-27)

medium Nessus Plugin ID 159576

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The version of QNAP QTS or QuTS hero on the remote host is affected by an SMB out-of-bounds read vulnerability. An authenticated, remote attacker can exploit this to obtain sensitive information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the workaround and upgrade to the relevant fixed version referenced in the QSA-21-27 advisory.

See Also

https://www.qnap.com/en/security-advisory/qsa-21-27

Plugin Details

Severity: Medium

ID: 159576

File Name: qnap_qts_quts_hero_qsa-21-27.nasl

Version: 1.5

Type: combined

Family: Misc.

Published: 4/7/2022

Updated: 8/12/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2021-20254

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:qnap:qts, cpe:/o:qnap:qts, cpe:/o:qnap:quts_hero

Exploit Ease: No known exploits are available

Patch Publication Date: 6/16/2021

Vulnerability Publication Date: 6/16/2021

Reference Information

CVE: CVE-2021-20254