QNAP Proxy Server up to 1.2.0 Setting improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in QNAP Proxy Server up to 1.2.0 and classified as critical. The impacted element is an unknown function of the component Setting Handler. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2017-7639. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in QNAP Proxy Server up to 1.2.0 (Firewall Software). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Setting Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

QNAP NAS application Proxy Server through version 1.2.0 does not authenticate requests properly. Successful exploitation can lead to change of the settings of Proxy Server.

The bug was discovered 06/01/2018. The weakness was disclosed 06/01/2018 as NAS-201806-01 as confirmed security advisory (Website). It is possible to read the advisory at qnap.com. This vulnerability is known as CVE-2017-7639 since 04/10/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.2.1 or 1.3.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1041025†). The entries VDB-118804, VDB-118805 and VDB-118806 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: 🔍

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

Upgrade: Proxy Server 1.2.1/1.3.0

Timelineinfo

04/10/2017 🔍
06/01/2018 +417 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/04/2018 +3 days 🔍
06/05/2018 +0 days 🔍
03/21/2023 +1750 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: NAS-201806-01
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7639 (🔍)
GCVE (CVE): GCVE-0-2017-7639
GCVE (VulDB): GCVE-100-118807
SecurityTracker: 1041025

See also: 🔍

Entryinfo

Created: 06/04/2018 08:50
Updated: 03/21/2023 09:10
Changes: 06/04/2018 08:50 (51), 02/14/2020 07:04 (9), 03/21/2023 09:10 (13)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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