VDB-114767 · CVE-2018-8761 · GCVE-0-2018-8761

Yxcms Building System up to 1.4.6 shopcarController.php access control

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.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Yxcms Building System up to 1.4.6. This issue affects some unknown processing of the file protected\apps\member\controller\shopcarController.php. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2018-8761. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Yxcms Building System up to 1.4.6. It has been rated as critical. This issue affects some unknown functionality of the file protected\apps\member\controller\shopcarController.php. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

protected\apps\member\controller\shopcarController.php in Yxcms building system (compatible cell phone) v1.4.7 has a logic flaw allowing attackers to modify a price, before form submission, by observing data in a packet capture.

The bug was discovered 03/18/2018. The weakness was disclosed 03/19/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-8761 since 03/17/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:protected\apps\member\controller\shopcarController.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.4.7 eliminates this vulnerability.

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

Productinfo

Name

Yxcms Building System

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
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

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Yxcms Building System 1.4.7

Timelineinfo

03/17/2018 🔍
03/18/2018 +1 days 🔍
03/19/2018 +1 days 🔍
03/19/2018 +0 days 🔍
03/19/2018 +0 days 🔍
01/14/2020 +666 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-8761 (🔍)
GCVE (CVE): GCVE-0-2018-8761
GCVE (VulDB): GCVE-100-114767

Entryinfo

Created: 03/19/2018 20:35
Updated: 01/14/2020 21:30
Changes: 03/19/2018 20:35 (57), 01/14/2020 21:30 (1)
Complete: 🔍
Cache ID: 216::103