SB2021041509 - Multiple vulnerabilities in Google Chrome
Published: April 15, 2021 Updated: August 16, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 20 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2021-21201)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the permissions 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.
2) Spoofing attack (CVE-ID: CVE-2021-21212)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in Network Config UI in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
3) Use of uninitialized resource (CVE-ID: CVE-2021-21219)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of uninitialized resources in PDFium in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
4) Use of uninitialized resource (CVE-ID: CVE-2021-21218)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of uninitialized resources in PDFium in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
5) Use of uninitialized resource (CVE-ID: CVE-2021-21217)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of uninitialized resources in PDFium in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
6) Improperly implemented security check for standard (CVE-ID: CVE-2021-21216)
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.
7) Improperly implemented security check for standard (CVE-ID: CVE-2021-21215)
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.
8) Use-after-free (CVE-ID: CVE-2021-21214)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Network API 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.
9) Use-after-free (CVE-ID: CVE-2021-21213)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within WebMIDI 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) Improperly implemented security check for standard (CVE-ID: CVE-2021-21211)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Navigation 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.
11) Use-after-free (CVE-ID: CVE-2021-21202)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the extensions 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.
12) Improperly implemented security check for standard (CVE-ID: CVE-2021-21210)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Network 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-2021-21209)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in storage 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) Input validation error (CVE-ID: CVE-2021-21208)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input in QR scanner 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.
15) Use-after-free (CVE-ID: CVE-2021-21207)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within IndexedDB 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) Input validation error (CVE-ID: CVE-2021-21221)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input in Mojo in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code on the system.
17) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21205)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in navigation in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.
18) Use-after-free (CVE-ID: CVE-2021-21204)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Blink 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.
19) Use-after-free (CVE-ID: CVE-2021-21203)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Blink 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.
20) Input validation error (CVE-ID: CVE-2021-4323)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input in Extensions. 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.
References
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html
- https://crbug.com/1025683
- https://crbug.com/1145024
- https://crbug.com/1166972
- https://crbug.com/1166478
- https://crbug.com/1166462
- https://crbug.com/1173297
- https://crbug.com/1172533
- https://crbug.com/1170148
- https://crbug.com/1161806
- https://crbug.com/1103119
- https://crbug.com/1188889
- https://crbug.com/1184562
- https://crbug.com/1143526
- https://crbug.com/1039539
- https://crbug.com/1185732
- https://crbug.com/1195333
- https://crbug.com/1165654
- https://crbug.com/1189926
- https://crbug.com/1192054
- https://crbug.com/1176031