Google Chrome prior 68.0.3440.75 on MacOS WebGL HTML Page deserialization

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.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Google Chrome on MacOS. Affected by this issue is some unknown functionality of the component WebGL. This manipulation as part of HTML Page causes deserialization. This vulnerability is registered as CVE-2018-6162. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome on MacOS (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code of the component WebGL. The manipulation as part of a HTML Page leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper deserialization in WebGL in Google Chrome on Mac prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The bug was discovered 07/24/2018. The weakness was published 01/09/2019 by Natalie Silvanovich with UC Berkeley (Website). The advisory is shared at debian.org. This vulnerability is known as CVE-2018-6162 since 01/23/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/26/2023). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 111407 (FreeBSD : chromium -- multiple vulnerabilities (b9c525d9-9198-11e8-beba-080027ef1a23)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371097 (Google Chrome Prior To 68.0.3440.75 Multiple Vulnerabilities).

Upgrading to version 68.0.3440.75 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 (111407) and SecurityFocus (BID 104887†). Similar entries are available at VDB-115410, VDB-127496, VDB-128918 and VDB-128961. 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: 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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
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: 111407
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (b9c525d9-9198-11e8-beba-080027ef1a23)
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 68.0.3440.75

Timelineinfo

01/23/2018 🔍
07/24/2018 +182 days 🔍
07/24/2018 +0 days 🔍
07/27/2018 +3 days 🔍
07/30/2018 +3 days 🔍
01/09/2019 +163 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
06/26/2023 +1628 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:2282
Researcher: Natalie Silvanovich
Organization: UC Berkeley
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6162 (🔍)
GCVE (CVE): GCVE-0-2018-6162
GCVE (VulDB): GCVE-100-128965

OVAL: 🔍

SecurityFocus: 104887 - Google Chrome Prior to 68.0.3440.75 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/10/2019 21:36
Updated: 06/26/2023 07:22
Changes: 01/10/2019 21:36 (80), 04/28/2020 10:04 (5), 06/26/2023 07:22 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!