Google Chrome prior 115.0.5790.98 on ChromeOS Shell Script command injection

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome on ChromeOS. Affected by this issue is some unknown functionality of the component Shell Script Handler. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2023-3739. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome on ChromeOS (Web Browser) and classified as critical. Affected by this vulnerability is some unknown processing of the component Shell Script Handler. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Insufficient validation of untrusted input in Chromad in Google Chrome on ChromeOS prior to 115.0.5790.98 allowed a remote attacker to execute arbitrary code via a crafted shell script. (Chromium security severity: Low)

The weakness was published 08/02/2023. The advisory is shared at chromereleases.googleblog.com. This vulnerability is known as CVE-2023-3739 since 07/18/2023. 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 08/02/2023). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1202 for this issue.

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

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Productinfo

Type

• Web Browser

Vendor

• Google

Name

• Chrome

License

• free

Website

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

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• 🔍

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