SB2023082833 - Multiple vulnerabilities in Google ChromeOS
Published: August 28, 2023 Updated: October 24, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 30 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2023-4357)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input in XML 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.
2) Race condition (CVE-ID: CVE-2020-29374)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a race condition in the mm/gup.c and mm/huge_memory.c in Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information.
3) Buffer overflow (CVE-ID: CVE-2023-21264)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in KVM implementation in the Android kernel. A local application can trigger memory corruption and execute arbitrary code with elevated privileged.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-4368)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Extensions API 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.
5) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-4367)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Extensions API 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.
6) Use-after-free (CVE-ID: CVE-2023-4366)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Extensions in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
7) Improperly implemented security check for standard (CVE-ID: CVE-2023-4365)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Fullscreen 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) Improperly implemented security check for standard (CVE-ID: CVE-2023-4364)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Permission 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.
9) Improperly implemented security check for standard (CVE-ID: CVE-2023-4363)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in WebShare 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) Heap-based buffer overflow (CVE-ID: CVE-2023-4362)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Mojom IDL. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
11) Improperly implemented security check for standard (CVE-ID: CVE-2023-4361)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Autofill 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-2023-4360)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Color 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-2023-4359)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in App Launcher 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.
14) Use-after-free (CVE-ID: CVE-2023-4358)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within DNS in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
15) Use-after-free (CVE-ID: CVE-2023-4356)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Audio in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
16) Buffer overflow (CVE-ID: CVE-2023-4355)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error in V8 in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.
17) Heap-based buffer overflow (CVE-ID: CVE-2023-4354)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
18) Heap-based buffer overflow (CVE-ID: CVE-2023-4353)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in ANGLE. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
19) Type Confusion (CVE-ID: CVE-2023-4352)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
20) Use-after-free (CVE-ID: CVE-2023-4351)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Network component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
21) Improperly implemented security check for standard (CVE-ID: CVE-2023-4350)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in Fullscreen in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
22) Use-after-free (CVE-ID: CVE-2023-4349)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Device Trust Connectors component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
23) Use-after-free (CVE-ID: CVE-2023-2312)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Offline component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
24) Use-after-free (CVE-ID: CVE-2023-3390)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within net/netfilter/nf_tables_api.c in the Linux kernel netfilter subsystem. A local user can trigger a use-after-fee error and escalate privileges on the system.
25) Use-after-free (CVE-ID: CVE-2023-4147)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
26) Use-after-free (CVE-ID: CVE-2023-4128)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
27) Use-after-free (CVE-ID: CVE-2023-4211)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within Mali GPU Kernel Driver. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.
Note, the vulnerability is being actively exploited in the wild.
28) Use-after-free (CVE-ID: CVE-2023-20593)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in AMD Zen2 processors. A local user can trigger a use-after-free error and execute arbitrary code on the system.
Note, the vulnerability was dubbed Zenbleed.
29) Buffer overflow (CVE-ID: CVE-2023-32804)
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in Mali GPU Userspace Driver. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.
30) Input validation error (CVE-ID: CVE-2023-4369)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation in Systems Extensions in Google Chrome on ChromeOS. A remote attacker can trick the victim to install a malicious extension to bypass file restrictions via a crafted HTML page.
Remediation
Install update from vendor's website.