Google Android 8.0/8.1/9.0/10.0 Bluetooth packet_fragmenter.cc reassemble_and_dispatch Packet 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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Google Android 8.0/8.1/9.0/10.0. This affects the function reassemble_and_dispatch of the file packet_fragmenter.cc of the component Bluetooth Handler. Such manipulation as part of Packet leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2020-0022. The attack can be executed directly on the physical device. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Google Android 8.0/8.1/9.0/10.0 (Smartphone Operating System) and classified as critical. Affected by this issue is the function reassemble_and_dispatch of the file packet_fragmenter.cc of the component Bluetooth Handler. The manipulation as part of a Packet 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 reassemble_and_dispatch of packet_fragmenter.cc, there is possible out of bounds write due to an incorrect bounds calculation. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-143894715

The weakness was disclosed 02/13/2020. This vulnerability is handled as CVE-2020-0022 since 10/17/2019. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem.

The entries VDB-150156, VDB-150155, VDB-150154 and VDB-150153 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/17/2019 🔍
02/13/2020 +119 days 🔍
02/14/2020 +1 days 🔍
08/01/2024 +1630 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: sa-20200513-03
Status: Not defined

CVE: CVE-2020-0022 (🔍)
GCVE (CVE): GCVE-0-2020-0022
GCVE (VulDB): GCVE-100-150152
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 02/14/2020 09:22
Updated: 08/01/2024 16:18
Changes: 02/14/2020 09:22 (41), 02/14/2020 09:27 (18), 03/31/2024 10:29 (19), 03/31/2024 10:34 (1), 08/01/2024 16:18 (12)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!