Google Chrome prior 69.0.3497.81 WebAudio HTML Page use after free

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 (≈)
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CTI Interest Score
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6.2$5k-$25k0.00

A vulnerability was found in Google Chrome (Web Browser). It has been declared as critical. This vulnerability affects an unknown code of the component WebAudio. The manipulation as part of a HTML Page leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A use after free in WebAudio in Google Chrome prior to 69.0.3497.81 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The bug was discovered 09/04/2018. The weakness was published 01/09/2019 by Natalie Silvanovich with Google Project Zero (Website). The advisory is shared for download at chromereleases.googleblog.com. This vulnerability was named CVE-2018-16067 since 08/29/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 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†).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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-2018-16067 (🔍)
OVAL: 🔍

SecurityFocus: 105215 - Google Chrome Prior to 69.0.3497.81 Multiple Security Vulnerabilities

Entryinfo

Created: 01/10/2019 11:15 AM
Updated: 06/23/2023 01:30 PM
Changes: 01/10/2019 11:15 AM (77), 04/27/2020 12:35 PM (7), 06/23/2023 01:30 PM (4)
Complete: 🔍
Cache ID: 98:653:40

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