VDB-235884 · CVE-2023-3729 · GCVE-0-2023-3729

Google Chrome prior 115.0.5790.98 on ChromeOS UI Handler 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 (≈) 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-$25k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Chrome on ChromeOS. Affected by this vulnerability is an unknown functionality of the component UI Handler. The manipulation results in use after free. This vulnerability is cataloged as CVE-2023-3729. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome on ChromeOS (Web Browser). Affected is an unknown code block of the component UI Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Use after free in Splitscreen in Google Chrome on ChromeOS prior to 115.0.5790.98 allowed a remote attacker who convinced a user to engage in specific UI interactions to potentially exploit heap corruption via crafted UI interactions. (Chromium security severity: High)

The weakness was shared 08/02/2023. The advisory is shared for download at chromereleases.googleblog.com. This vulnerability is traded as CVE-2023-3729 since 07/18/2023. 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 08/24/2023). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 115.0.5790.98 eliminates this vulnerability. The upgrade is hosted for download at chromereleases.googleblog.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Web Browser

Vendor

Google

Name

Chrome

License

free

Website

Vendor: https://www.google.com/
Product: https://www.google.com/chrome/

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

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: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 115.0.5790.98

Timelineinfo

07/18/2023 🔍
08/02/2023 +15 days 🔍
08/02/2023 +0 days 🔍
08/24/2023 +22 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Status: Confirmed

CVE: CVE-2023-3729 (🔍)
GCVE (CVE): GCVE-0-2023-3729
GCVE (VulDB): GCVE-100-235884

Entryinfo

Created: 08/02/2023 09:16
Updated: 08/24/2023 09:47
Changes: 08/02/2023 09:16 (42), 08/24/2023 09:47 (11)
Complete: 🔍
Cache ID: 216::103