VDB-246912 · CVE-2023-40087 · GCVE-0-2023-40087

Google Android up to 14 btif_avrcp_audio_track.cc transcodeQ*ToFloat 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.
7.0	$5k-$25k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Android 11/12/12L/13/14. The affected element is the function transcodeQ*ToFloat of the file btif_avrcp_audio_track.cc. The manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2023-40087. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Google Android 11/12/12L/13/14 (Smartphone Operating System). It has been classified as critical. Affected is the function transcodeQ*ToFloat of the file btif_avrcp_audio_track.cc. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In transcodeQ*ToFloat of btif_avrcp_audio_track.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The weakness was disclosed 12/05/2023. The advisory is shared for download at source.android.com. This vulnerability is traded as CVE-2023-40087 since 08/09/2023. 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 12/24/2023). 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

08/09/2023 🔍
12/05/2023 +118 days 🔍
12/05/2023 +0 days 🔍
12/24/2023 +19 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CVE: CVE-2023-40087 (🔍)
GCVE (CVE): GCVE-0-2023-40087
GCVE (VulDB): GCVE-100-246912
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/05/2023 09:21
Updated: 12/24/2023 06:15
Changes: 12/05/2023 09:21 (42), 12/24/2023 06:15 (11)
Complete: 🔍
Cache ID: 216::103