SB2021052544 - Multiple vulnerabilities in Google Chrome
Published: May 25, 2021 Updated: August 16, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 26 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2021-30521)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Autofill. 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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30533)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in PopupBlocker 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.
3) Spoofing attack (CVE-ID: CVE-2021-30540)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in payments in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30539)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in content security policy 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-2021-30538)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in content security policy 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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30537)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in cookies 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.
7) Out-of-bounds read (CVE-ID: CVE-2021-30536)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in V8 engine in Google Chrome. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
8) 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.
9) Double Free (CVE-ID: CVE-2021-30535)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within ICU component in Google Chrome. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger a double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
10) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30534)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in iFrameSandbox 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.
11) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30532)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Content Security Policy 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.
12) Use-after-free (CVE-ID: CVE-2021-30522)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebAudio 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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30531)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Content Security Policy 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.
14) Out-of-bounds read (CVE-ID: CVE-2021-30530)
The vulnerability allows a remote attacker to gain access to crash the browser.
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 crash the browser.
15) Use-after-free (CVE-ID: CVE-2021-30529)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Bookmarks 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) Use-after-free (CVE-ID: CVE-2021-30528)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebAuthentication 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) Use-after-free (CVE-ID: CVE-2021-30527)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebUI 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.
18) Out-of-bounds write (CVE-ID: CVE-2021-30526)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in TabStrip. 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.
19) Use-after-free (CVE-ID: CVE-2021-30525)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the TabGroups 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) Use-after-free (CVE-ID: CVE-2021-30524)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the TabStrip 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) Use-after-free (CVE-ID: CVE-2021-30523)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebRTC 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.
22) Heap-based buffer overflow (CVE-ID: CVE-2021-4321)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Autofill. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and crash the browser.
23) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30558)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in content security policy 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.
24) Use-after-free (CVE-ID: CVE-2021-30543)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Tab Strip 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.
25) Use-after-free (CVE-ID: CVE-2021-4322)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within DevTools. 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.
26) Use-after-free (CVE-ID: CVE-2021-30542)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Tab Strip 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.
References
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html</p><p><br></p>
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
- https://crbug.com/1161891
- https://crbug.com/916326
- https://crbug.com/1203607
- https://crbug.com/1190550
- https://crbug.com/1184954