SB2021080211 - Multiple vulnerabilities in Google Chrome
Published: August 2, 2021 Updated: August 5, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2021-30590)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Bookmarks. 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.
2) Use-after-free (CVE-ID: CVE-2021-30591)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the File System API 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.
3) Out-of-bounds write (CVE-ID: CVE-2021-30592)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Tab Groups. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.
4) Out-of-bounds read (CVE-ID: CVE-2021-30593)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the Tab Strip 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.
5) Use-after-free (CVE-ID: CVE-2021-30594)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Page Info UI 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.
6) Spoofing attack (CVE-ID: CVE-2021-30596)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in Navigation in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
7) Use-after-free (CVE-ID: CVE-2021-30597)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Browser UI 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.
Remediation
Install update from vendor's website.