Zizai Nut App Cloud API cache.db Credentials credentials management

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Zizai Nut App. The affected element is an unknown function of the file cache.db of the component Cloud API. This manipulation causes credentials management (Credentials). This vulnerability is registered as CVE-2016-6547. The attack needs to be launched locally. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Zizai Nut App (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the file cache.db of the component Cloud API. The manipulation with an unknown input leads to a credentials management vulnerability (Credentials). The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Zizai Tech Nut mobile app stores the account password used to authenticate to the cloud API in cleartext in the cache.db file.

The bug was discovered 10/24/2016. The weakness was published 07/13/2018 by Deral Heiland with Rapid7 (Website). It is possible to read the advisory at blog.rapid7.com. This vulnerability is known as CVE-2016-6547 since 08/03/2016. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 627 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93877†). Similar entries are available at VDB-121437 and VDB-121436. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Zizai

Name

Nut App

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Credentials
Class: Credentials management / Credentials
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/03/2016 🔍
10/24/2016 +82 days 🔍
10/25/2016 +1 days 🔍
07/13/2018 +625 days 🔍
07/13/2018 +0 days 🔍
07/14/2018 +1 days 🔍
12/27/2024 +2358 days 🔍

Sourcesinfo

Advisory: blog.rapid7.com
Researcher: Deral Heiland
Organization: Rapid7
Status: Confirmed

CVE: CVE-2016-6547 (🔍)
GCVE (CVE): GCVE-0-2016-6547
GCVE (VulDB): GCVE-100-121435
CERT: 🔍
SecurityFocus: 93877 - Zizai Tech Nut Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 07/14/2018 13:52
Updated: 12/27/2024 05:01
Changes: 07/14/2018 13:52 (66), 03/04/2020 20:45 (1), 12/27/2024 05:01 (20)
Complete: 🔍
Cache ID: 216::103

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