Google Chrome up to 66.0.3359.117 Incognito Mode HTML Page use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been rated as critical. Impacted is an unknown function of the component Incognito Mode. The manipulation as part of HTML Page leads to use after free. This vulnerability is referenced as CVE-2018-6118. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome (Web Browser). This issue affects an unknown function of the component Incognito Mode. 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:

A double-eviction in the Incognito mode cache that lead to a user-after-free in cache in Google Chrome prior to 66.0.3359.139 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.

The bug was discovered 04/26/2018. The weakness was published 06/27/2019. The identification of this vulnerability is CVE-2018-6118 since 01/23/2018. 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 07/18/2024). 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 4 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 109437 (FreeBSD : chromium -- vulnerability (006bee4e-4c49-11e8-9c32-54ee754af08e)), 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 176420 (Debian Security Update for chromium-browser (DSA 4237-1)).

Upgrading to version 66.0.3359.139 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 (109437). Similar entries are available at VDB-136959, VDB-136958, VDB-136957 and VDB-136956. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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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Nessus ID: 109437
Nessus Name: FreeBSD : chromium -- vulnerability (006bee4e-4c49-11e8-9c32-54ee754af08e)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 60360
OpenVAS Name: Google Chrome Security Updates(stable-channel-update-for-desktop_26-2018-04)-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 66.0.3359.139

Timelineinfo

01/23/2018 🔍
04/26/2018 +93 days 🔍
04/30/2018 +4 days 🔍
05/01/2018 +1 days 🔍
06/27/2019 +422 days 🔍
06/27/2019 +0 days 🔍
07/18/2024 +1848 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Not defined

CVE: CVE-2018-6118 (🔍)
GCVE (CVE): GCVE-0-2018-6118
GCVE (VulDB): GCVE-100-136955

OVAL: 🔍

OSVDB: - Google Chrome Media Cache code execution

See also: 🔍

Entryinfo

Created: 06/27/2019 21:50
Updated: 07/18/2024 23:34
Changes: 06/27/2019 21:50 (45), 06/28/2020 11:19 (29), 10/08/2023 16:11 (4), 07/18/2024 23:34 (17)
Complete: 🔍
Cache ID: 216::103

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

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