NUUO NVRmini/NVRsolo/Crystal handle_daylightsaving.php NTPServer input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in NUUO NVRmini, NVRsolo and Crystal and classified as critical. Affected by this vulnerability is an unknown functionality of the file handle_daylightsaving.php. This manipulation of the argument NTPServer causes input validation. This vulnerability appears as CVE-2016-5675. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in NUUO NVRmini, NVRsolo and Crystal (the affected version unknown) and classified as very critical. Affected by this vulnerability is an unknown part of the file handle_daylightsaving.php. The manipulation of the argument NTPServer with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

handle_daylightsaving.php in NUUO NVRmini 2 1.7.5 through 3.0.0, NUUO NVRsolo 1.0.0 through 3.0.0, NUUO Crystal 2.2.1 through 3.2.0, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to execute arbitrary PHP code via the NTPServer parameter.

The weakness was presented 08/31/2016 by Pedro Ribeiro with Agile Information Security (Website). It is possible to read the advisory at kb.cert.org. This vulnerability is known as CVE-2016-5675 since 06/16/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/05/2024).

It is possible to download the exploit at exploit-db.com. It is declared as highly functional. By approaching the search of inurl:handle_daylightsaving.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (40200) and SecurityFocus (BID 92318†). See VDB-91002, VDB-91013, VDB-91014 and VDB-91004 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 100742
OpenVAS Name: NUUO NVRmini 2 3.0.8 - Remote Root Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: nuuo_nvrmini_auth_rce.rb
MetaSploit Name: NUUO NVRmini 2 / Crystal / NETGEAR ReadyNAS Surveillance Authenticated Remote Code Execution
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/16/2016 🔍
08/04/2016 +49 days 🔍
08/31/2016 +27 days 🔍
08/31/2016 +0 days 🔍
09/01/2016 +1 days 🔍
12/05/2024 +3017 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Researcher: Pedro Ribeiro
Organization: Agile Information Security
Status: Not defined

CVE: CVE-2016-5675 (🔍)
GCVE (CVE): GCVE-0-2016-5675
GCVE (VulDB): GCVE-100-91003
CERT: 🔍
SecurityFocus: 92318 - NUUO and Netgear Network Multiple Products Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/01/2016 09:19
Updated: 12/05/2024 15:32
Changes: 09/01/2016 09:19 (57), 04/05/2019 21:21 (16), 07/21/2024 19:33 (18), 12/05/2024 15:32 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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