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.
7.9	$5k-$25k	0.00

A vulnerability, which was classified as critical, has been found in Google Chrome up to 64.0.3282.118 (Web Browser). This issue affects an unknown part of the component Catalog Service. The manipulation as part of a HTML Page leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

The bug was discovered 12/01/2017. The weakness was presented 09/25/2018 (Website). It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2018-6055 since 01/22/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/19/2023). 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 62 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 106574 (RHEL 6 : chromium-browser (RHSA-2018:0265)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277553 (Fedora Security Update for chromium (FEDORA-2018-f76e6d17f1)).

Upgrading to version 64.0.3282.119 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 vulnerability database at Tenable (106574). See 112550, 112551, 112552 and 112553 for similar entries.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

Version

• 64.0.3282.118

License

• free

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 106574
Nessus Name: RHEL 6 : chromium-browser (RHSA-2018:0265)
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 64.0.3282.119

Timelineinfo

12/01/2017 🔍
01/22/2018 +52 days 🔍
02/01/2018 +9 days 🔍
02/02/2018 +1 days 🔍
09/25/2018 +234 days 🔍
09/25/2018 +0 days 🔍
09/25/2018 +0 days 🔍
09/26/2018 +1 days 🔍
05/19/2023 +1696 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2018:0265
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-6055 (🔍)
SecurityFocus: 105516 - Google Chrome CVE-2018-6055 Arbitrary Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 09/26/2018 07:30
Updated: 05/19/2023 08:20
Changes: 09/26/2018 07:30 (76), 03/27/2020 09:00 (5), 05/19/2023 08:20 (4)
Complete: 🔍

Discussion

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