Google Chrome prior 69.0.3497.81 WebAudio HTML Page use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Google Chrome and classified as critical. The affected element is an unknown function of the component WebAudio. The manipulation as part of HTML Page leads to use after free. This vulnerability is referenced as CVE-2018-17457. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome (Web Browser). It has been rated as critical. This issue affects an unknown part of the component WebAudio. The manipulation as part of a HTML Page leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An object lifecycle issue in Blink could lead to a use after free in WebAudio in Google Chrome prior to 69.0.3497.81 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

The bug was discovered 03/05/2019. The weakness was published 01/09/2019 (Website). It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2018-17457 since 09/25/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/27/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 69.0.3497.81 eliminates this vulnerability.

Similar entries are available at VDB-128858, VDB-128859, VDB-128860 and VDB-128861. Statistical analysis made it clear that VulDB provides the best quality 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: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 69.0.3497.81

Timelineinfo

09/25/2018 🔍
01/09/2019 +106 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
03/05/2019 +54 days 🔍
04/27/2020 +419 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-17457 (🔍)
GCVE (CVE): GCVE-0-2018-17457
GCVE (VulDB): GCVE-100-128915
See also: 🔍

Entryinfo

Created: 01/10/2019 20:54
Updated: 04/27/2020 18:46
Changes: 01/10/2019 20:54 (61), 04/27/2020 18:46 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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