SB2023092702 - Multiple vulnerabilities in Google ChromeOS 



SB2023092702 - Multiple vulnerabilities in Google ChromeOS

Published: September 27, 2023 Updated: June 7, 2024

Security Bulletin ID SB2023092702
Severity
Critical
Patch available
YES
Number of vulnerabilities 13
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 8% High 38% Medium 8% Low 46%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 13 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2023-4622)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the unix_stream_sendpage() function in af_unix component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


2) Use-after-free (CVE-ID: CVE-2023-4208)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the the cls_u32 component in Linux kernel packet scheduler. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


3) Heap-based buffer overflow (CVE-ID: CVE-2023-4863)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing WebP images within libwebp library. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability affects all modern browsers that support WebP image processing.

Note, the vulnerability is being actively exploited in the wild.


4) Improperly implemented security check for standard (CVE-ID: CVE-2023-4900)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Custom Tabs in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


5) Improperly implemented security check for standard (CVE-ID: CVE-2023-4901)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Prompts in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


6) Improperly implemented security check for standard (CVE-ID: CVE-2023-4902)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Input in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


7) Improperly implemented security check for standard (CVE-ID: CVE-2023-4903)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Custom Mobile Tabs in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


8) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-4904)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in Downloads in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.


9) Improperly implemented security check for standard (CVE-ID: CVE-2023-4905)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Prompts in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


10) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-4906)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in Autofill in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.


11) Improperly implemented security check for standard (CVE-ID: CVE-2023-4907)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Intents in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


12) Improperly implemented security check for standard (CVE-ID: CVE-2023-4908)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Picture in Picture in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


13) Improperly implemented security check for standard (CVE-ID: CVE-2023-4909)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Interstitials in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


Remediation

Install update from vendor's website.