VDB-223820 · CVE-2023-21054 · A-244556535

Google Android LPP_CommonUtil.c EUTRAN_LCS_ConvertLCS_MOLRReq out-of-bounds write

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.
5.8	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Google Android. This vulnerability affects the function EUTRAN_LCS_ConvertLCS_MOLRReq of the file LPP_CommonUtil.c. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2023-21054. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version not known). It has been rated as critical. Affected by this issue is the function EUTRAN_LCS_ConvertLCS_MOLRReq of the file LPP_CommonUtil.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In EUTRAN_LCS_ConvertLCS_MOLRReq of LPP_CommonUtil.c, there is a possible out of bounds write due to a logic error in the code. This could lead to remote code execution with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-244556535References: N/A

The weakness was published 03/25/2023 as A-244556535. The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2023-21054 since 11/03/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/10/2025). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25222). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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 write
CWE: CWE-787 / 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

11/03/2022 🔍
03/25/2023 +142 days 🔍
03/25/2023 +0 days 🔍
09/10/2025 +899 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-244556535
Status: Confirmed

CVE: CVE-2023-21054 (🔍)
GCVE (CVE): GCVE-0-2023-21054
GCVE (VulDB): GCVE-100-223820
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/25/2023 07:37
Updated: 09/10/2025 01:26
Changes: 03/25/2023 07:37 (42), 04/14/2023 10:03 (11), 09/10/2025 01:26 (16)
Complete: 🔍
Cache ID: 216::103