VDB-215563 · CVE-2022-20473 · A-239267173

Google Android 10.0/11.0/12.0/13.0 LocaleListCache.cpp toLanguageTag out-of-bounds

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.
7.9	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Google Android 10.0/11.0/12.0/13.0. It has been classified as problematic. The impacted element is the function toLanguageTag of the file LocaleListCache.cpp. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2022-20473. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Google Android 10.0/11.0/12.0/13.0 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is the function toLanguageTag of the file LocaleListCache.cpp. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In toLanguageTag of LocaleListCache.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-239267173

The weakness was presented 12/13/2022 as A-239267173. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2022-20473 since 10/14/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/08/2023). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

Version

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

10/14/2021 🔍
12/13/2022 +425 days 🔍
12/13/2022 +0 days 🔍
01/08/2023 +26 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-239267173
Status: Confirmed

CVE: CVE-2022-20473 (🔍)
GCVE (CVE): GCVE-0-2022-20473
GCVE (VulDB): GCVE-100-215563
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/13/2022 21:06
Updated: 01/08/2023 13:11
Changes: 12/13/2022 21:06 (43), 01/08/2023 13:11 (11)
Complete: 🔍
Cache ID: 216::103