QNAP QTS up to 4.2.6/4.3.3.0378/4.3.4.0387 memory corruption

CVSS Meta Temp Score
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8.2$0-$5k0.00

A vulnerability classified as critical was found in QNAP QTS up to 4.2.6/4.3.3.0378/4.3.4.0387 (Network Attached Storage Software). This vulnerability affects an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow vulnerability in password function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices.

The bug was discovered 12/15/2017. The weakness was shared 12/15/2017 as NAS-201712-15 as confirmed security advisory (Website). The advisory is shared for download at qnap.com. This vulnerability was named CVE-2017-17032 since 11/28/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple buffer overflow vulnerabilities were recently found in QTS 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier. If exploited, these vulnerabilities may allow remote attackers to run arbitrary code on NAS devices.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 11899 (QNAP QTS Multiple Remote Buffer Overflow Vulnerabilities).

Upgrading to version 4.2.6 Build 20171208, 4.3.3.0396 Build 20171205 or 4.3.4.0411 Beta 3 Build 20171208 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 110759, 110760, 110761 and 110762 are related to this item.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 860677
OpenVAS Name: QNAP QTS Unauthenticated Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: QTS 4.2.6 Build 20171208/4.3.3.0396 Build 20171205/4.3.4.0411 Beta 3 Build 20171208

Timelineinfo

11/28/2017 🔍
12/15/2017 +17 days 🔍
12/15/2017 +0 days 🔍
12/15/2017 +0 days 🔍
12/16/2017 +1 days 🔍
12/17/2017 +1 days 🔍
12/21/2017 +4 days 🔍
12/15/2019 +724 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: NAS-201712-15
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-17032 (🔍)
SecurityTracker: 1040018

See also: 🔍

Entryinfo

Created: 12/17/2017 09:56
Updated: 12/15/2019 19:34
Changes: 12/17/2017 09:56 (69), 12/15/2019 19:34 (6)
Complete: 🔍

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