Google Android SettingsHomepageActivity.java Local Privilege Escalation

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.
6.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Google Android. Impacted is an unknown function of the file SettingsHomepageActivity.java. Performing a manipulation results in an unknown weakness. This vulnerability is reported as CVE-2023-21256. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown). It has been classified as problematic. This affects an unknown functionality of the file SettingsHomepageActivity.java. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In SettingsHomepageActivity.java, there is a possible way to launch arbitrary activities via Settings due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

The weakness was disclosed 07/13/2023. The advisory is shared at android.googlesource.com. This vulnerability is uniquely identified as CVE-2023-21256 since 11/03/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/05/2023). It is expected to see the exploit prices for this product increasing in the near future.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2022 🔍
07/13/2023 +251 days 🔍
07/13/2023 +0 days 🔍
08/05/2023 +23 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CVE: CVE-2023-21256 (🔍)
GCVE (CVE): GCVE-0-2023-21256
GCVE (VulDB): GCVE-100-233997
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 07/13/2023 09:39
Updated: 08/05/2023 07:23
Changes: 07/13/2023 09:39 (37), 08/05/2023 07:23 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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