SB2021041623 - Multiple vulnerabilities in Microsoft Edge (Chromium-based)
Published: April 16, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 19 vulnerabilities.
1) Improperly implemented security check for standard (CVE-ID: CVE-2021-21211)
CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
2) Use-after-free (CVE-ID: CVE-2021-21203)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
3) Use-after-free (CVE-ID: CVE-2021-21204)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21205)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
5) Input validation error (CVE-ID: CVE-2021-21221)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
6) Use-after-free (CVE-ID: CVE-2021-21207)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.
7) Input validation error (CVE-ID: CVE-2021-21208)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.
8) Improperly implemented security check for standard (CVE-ID: CVE-2021-21209)
CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
9) Improperly implemented security check for standard (CVE-ID: CVE-2021-21210)
CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
10) Use-after-free (CVE-ID: CVE-2021-21202)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
11) Use-after-free (CVE-ID: CVE-2021-21201)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
12) Use-after-free (CVE-ID: CVE-2021-21213)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.
13) Use-after-free (CVE-ID: CVE-2021-21214)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.
14) Improperly implemented security check for standard (CVE-ID: CVE-2021-21215)
CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
15) Improperly implemented security check for standard (CVE-ID: CVE-2021-21216)
CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
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.
16) Use of uninitialized resource (CVE-ID: CVE-2021-21217)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
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.
17) Use of uninitialized resource (CVE-ID: CVE-2021-21218)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
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.
18) Use of uninitialized resource (CVE-ID: CVE-2021-21219)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
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.
19) Spoofing attack (CVE-ID: CVE-2021-21212)
CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21211
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21203
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21204
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21205
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21221
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21207
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21208
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21209
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21210
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21202
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21201
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21213
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21214
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21215
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21216
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21217
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21218
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21219
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-21212