Google Android Bluetooth mm/vmacache.c hidp_process_report nr_extents integer overflow

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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been rated as critical. This affects the function hidp_process_report of the file mm/vmacache.c of the component Bluetooth. The manipulation of the argument nr_extents leads to integer overflow. This vulnerability is uniquely identified as CVE-2018-9363. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Android (Smartphone Operating System) (version unknown). This issue affects the function hidp_process_report of the file mm/vmacache.c of the component Bluetooth. The manipulation of the argument nr_extents with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In the hidp_process_report in bluetooth, there is an integer overflow. This could lead to an out of bounds write with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-65853588 References: Upstream kernel.

The bug was discovered 06/01/2018. The weakness was disclosed 11/06/2018 (Website). The advisory is shared at lists.debian.org. The identification of this vulnerability is CVE-2018-9363 since 04/05/2018. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 129 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 117988 (openSUSE Security Update : the Linux Kernel (openSUSE-2018-1140)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197307 (Ubuntu Security Notification for Linux Vulnerabilities (USN-3822-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117988) and SecurityFocus (BID 106109†). The entries VDB-94696, VDB-109194, VDB-112611 and VDB-113129 are pretty similar. 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: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 117988
Nessus Name: openSUSE Security Update : the Linux Kernel (openSUSE-2018-1140)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/05/2018 🔍
06/01/2018 +57 days 🔍
10/08/2018 +129 days 🔍
10/09/2018 +1 days 🔍
11/06/2018 +28 days 🔍
11/06/2018 +0 days 🔍
11/07/2018 +1 days 🔍
12/03/2018 +26 days 🔍
06/04/2023 +1644 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: RHSA-2018:2948
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-9363 (🔍)
GCVE (CVE): GCVE-0-2018-9363
GCVE (VulDB): GCVE-100-126497

OVAL: 🔍

SecurityFocus: 106109 - Linux Kernel CVE-2018-19824 Use After Free Arbitrary Code Execution Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 11/07/2018 15:10
Updated: 06/04/2023 16:58
Changes: 11/07/2018 15:10 (80), 04/10/2020 12:35 (3), 06/04/2023 16:58 (4)
Complete: 🔍
Cache ID: 216:D45:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!