SB2021101923 - Multiple vulnerabilities in Google Chrome 

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Main Vulnerability Database SB2021101923

SB2021101923 - Multiple vulnerabilities in Google Chrome

Published: October 19, 2021 Updated: October 21, 2021

Security Bulletin ID SB2021101923
Severity
High
Patch available
YES
Number of vulnerabilities 16
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 38% Low 13%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 16 secuirty vulnerabilities.


1) Improperly implemented security check for standard (CVE-ID: CVE-2021-37989)

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

The vulnerability exists due to incorrect implementation in Blink 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) Improperly implemented security check for standard (CVE-ID: CVE-2021-37995)

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

The vulnerability exists due to incorrect implementation in WebApp Installer 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.


3) Improperly implemented security check for standard (CVE-ID: CVE-2021-37994)

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

The vulnerability exists due to incorrect implementation in iFrame Sandbox 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.


4) Input validation error (CVE-ID: CVE-2021-37996)

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

The vulnerability exists due to insufficient validation of user-supplied input in Downloads 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) Use-after-free (CVE-ID: CVE-2021-37993)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within PDF Accessibility 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.


6) Out-of-bounds read (CVE-ID: CVE-2021-37992)

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

The vulnerability exists due to a boundary condition within the WebAudio component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.


7) Race condition (CVE-ID: CVE-2021-37991)

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

The vulnerability exists due to a race condition in V8 in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and bypass implemented security restrictions.


8) Improperly implemented security check for standard (CVE-ID: CVE-2021-37990)

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

The vulnerability exists due to incorrect implementation in WebView 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) Use-after-free (CVE-ID: CVE-2021-37988)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within Profiles 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.


10) Use-after-free (CVE-ID: CVE-2021-37987)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within Network APIs 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.


11) Heap-based buffer overflow (CVE-ID: CVE-2021-37986)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Settings. 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.


12) Use-after-free (CVE-ID: CVE-2021-37985)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free 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 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.


13) Heap-based buffer overflow (CVE-ID: CVE-2021-37984)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in PDFium. 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.


14) Use-after-free (CVE-ID: CVE-2021-37983)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Dev Tools 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.


15) Use-after-free (CVE-ID: CVE-2021-37982)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Incognito 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.


16) Heap-based buffer overflow (CVE-ID: CVE-2021-37981)

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.


Remediation

Install update from vendor's website.

References