SB2021120701 - Multiple vulnerabilities in Google Chrome
Published: December 7, 2021 Updated: August 16, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 19 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2021-4062)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in BFCache. 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) Input validation error (CVE-ID: CVE-2021-4068)
The vulnerability allows a remote attacker to gain access to crash the browser.
The vulnerability exists due to a improper input validation in new tab page in Google Chrome. A remote attacker can trick the victim to perform certain actions in browser and crash it.
3) Use-after-free (CVE-ID: CVE-2021-4067)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the window manager 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.
4) Integer underflow (CVE-ID: CVE-2021-4066)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer underflow. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Use-after-free (CVE-ID: CVE-2021-4065)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the autofill 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) Use-after-free (CVE-ID: CVE-2021-4064)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the screen capture 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.
7) Use-after-free (CVE-ID: CVE-2021-4063)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the developer 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.
8) Type Confusion (CVE-ID: CVE-2021-4061)
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.
9) Use-after-free (CVE-ID: CVE-2021-4052)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the web apps 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.
10) Input validation error (CVE-ID: CVE-2021-4059)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in loader in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the system.
11) Heap-based buffer overflow (CVE-ID: CVE-2021-4058)
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.
12) Use-after-free (CVE-ID: CVE-2021-4057)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the file 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.
13) Type Confusion (CVE-ID: CVE-2021-4056)
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 loader 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.
14) Heap-based buffer overflow (CVE-ID: CVE-2021-4055)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in extensions. 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.
15) Spoofing attack (CVE-ID: CVE-2021-4054)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in autofill in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
16) Use-after-free (CVE-ID: CVE-2021-4053)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the 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.
17) Type Confusion (CVE-ID: CVE-2021-4078)
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.
18) Out-of-bounds write (CVE-ID: CVE-2021-4079)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in WebRTC. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger an out-of-bounds write error and execute arbitrary code on the target system.
19) Use-after-free (CVE-ID: CVE-2021-4317)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the ANGLE 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.
Remediation
Install update from vendor's website.
References
- https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html
- https://crbug.com/1272403
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4062
- https://crbug.com/1265197
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4068
- https://crbug.com/1274641
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4067
- https://crbug.com/1274499
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4066
- https://crbug.com/1273674
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4065
- https://crbug.com/1273197
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4064
- https://crbug.com/1273176
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4063
- https://crbug.com/1271456
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4061
- https://crbug.com/1267661
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4052
- https://crbug.com/1270990
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4059
- https://crbug.com/1267496
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4058
- https://crbug.com/1262183
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4057
- https://crbug.com/1260939
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4056
- https://crbug.com/1266510
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4055
- https://crbug.com/1239760
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4054
- https://crbug.com/1267791
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4053
- https://crbug.com/1268738
- https://crbug.com/1265806
- https://crbug.com/1260783