QNAP QVR Elite/QVR Pro/QVR Guard stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in QNAP QVR Elite, QVR Pro and QVR Guard. It has been declared as critical. Affected is an unknown function. Executing a manipulation can lead to stack-based overflow. This vulnerability is registered as CVE-2021-38692. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in QNAP QVR Elite, QVR Pro and QVR Guard (version now known). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 01/14/2022 as qsa-21-59. The advisory is shared for download at qnap.com. This vulnerability was named CVE-2021-38692 since 08/13/2021. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (QNAP Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2021 🔍
01/14/2022 +154 days 🔍
01/14/2022 +0 days 🔍
01/17/2022 +3 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-21-59
Status: Confirmed

CVE: CVE-2021-38692 (🔍)
GCVE (CVE): GCVE-0-2021-38692
GCVE (VulDB): GCVE-100-190420

Entryinfo

Created: 01/14/2022 13:53
Updated: 01/17/2022 14:49
Changes: 01/14/2022 13:53 (47), 01/17/2022 14:49 (1)
Complete: 🔍
Cache ID: 216::103

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