VDB-318611 · Submit #619028 · CVE-2025-8512

TVB Big Big Shop App 2.9.0 on Android hk.com.tvb.bigbigshop AndroidManifest.xml improper export of android application components

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.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in TVB Big Big Shop App 2.9.0 on Android. The impacted element is an unknown function of the file AndroidManifest.xml of the component hk.com.tvb.bigbigshop. The manipulation leads to improper export of android application components. This vulnerability is documented as CVE-2025-8512. The attack needs to be performed locally. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TVB Big Big Shop App 2.9.0 on Android. This issue affects some unknown processing of the file AndroidManifest.xml of the component hk.com.tvb.bigbigshop. The manipulation with an unknown input leads to a improper export of android application components vulnerability. Using CWE to declare the problem leads to CWE-926. The Android application exports a component for use by other applications, but does not properly restrict which applications can launch the component or access the data it contains. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-8512. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:AndroidManifest.xml 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 vulnerability database at EUVD (EUVD-2025-23478). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Android App Software

Vendor

Name

Big Big Shop App

Version

2.9.0

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA 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: 🔍

Exploitinginfo

Class: Improper export of android application components
CWE: CWE-926
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/02/2025 Advisory disclosed
08/02/2025 +0 days VulDB entry created
08/03/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-8512 (🔒)
GCVE (CVE): GCVE-0-2025-8512
GCVE (VulDB): GCVE-100-318611
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 08/02/2025 17:39
Updated: 08/03/2025 17:22
Changes: 08/02/2025 17:39 (58), 08/03/2025 16:21 (30), 08/03/2025 17:22 (1)
Complete: 🔍
Submitter: fxizenta
Cache ID: 216::103

Submitinfo

Accepted

Submit #619028: Big Big Channel Limited big big shop 2.9.0 Task Hijacking (by fxizenta)

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