Google Chrome prior 69.0.3497.81 Debugger API access control

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$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Chrome. This vulnerability affects unknown code of the component Debugger API. The manipulation results in access control. This vulnerability was named CVE-2018-16081. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been classified as critical. Affected is an unknown code block of the component Debugger API. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Allowing the chrome.debugger API to run on file:// URLs in DevTools in Google Chrome prior to 69.0.3497.81 allowed an attacker who convinced a user to install a malicious extension to access files on the local file system without file access permission via a crafted Chrome Extension.

The bug was discovered 09/04/2018. The weakness was presented 01/09/2019 by Natalie Silvanovich with Google Project Zero (Website). The advisory is shared for download at chromereleases.googleblog.com. This vulnerability is traded as CVE-2018-16081 since 08/29/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/23/2023). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 117333 (Google Chrome < 69.0.3497.81 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171561 (OpenSUSE Security Update for chromium (openSUSE-SU-2018:2664-1)).

Upgrading to version 69.0.3497.81 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117333) and SecurityFocus (BID 105215†). See VDB-123326, VDB-128858, VDB-128859 and VDB-128860 for similar entries. Once again VulDB remains the best source for vulnerability data.

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

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 117333
Nessus Name: Google Chrome < 69.0.3497.81 Multiple Vulnerabilities
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: 🔍

Upgrade: Chrome 69.0.3497.81

Timelineinfo

08/29/2018 🔍
09/04/2018 +6 days 🔍
09/04/2018 +0 days 🔍
09/04/2018 +0 days 🔍
09/06/2018 +2 days 🔍
01/09/2019 +125 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
06/23/2023 +1625 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:2666
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16081 (🔍)
GCVE (CVE): GCVE-0-2018-16081
GCVE (VulDB): GCVE-100-128868
SecurityFocus: 105215 - Google Chrome Prior to 69.0.3497.81 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/10/2019 11:18
Updated: 06/23/2023 14:10
Changes: 01/10/2019 11:18 (76), 04/27/2020 14:28 (6), 06/23/2023 14:10 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!