Multiple vulnerabilities in Google Chrome



Published: 2021-10-07 | Updated: 2021-10-12
Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2021-37977
CVE-2021-37978
CVE-2021-37979
CVE-2021-37980
CWE-ID CWE-416
CWE-122
CWE-358
Exploitation vector Network
Public exploit Public exploit code for vulnerability #4 is available.
Vulnerable software
Subscribe
Google Chrome
Client/Desktop applications / Web browsers

Vendor Google, Inc.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU57128

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37977

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Garbage Collection 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.

Mitigation

Update to version 94.0.4606.81.

Vulnerable software versions

Google Chrome: 7.0.517.41, 7.0.517.44, 70.0.3538.67, 70.0.3538.77, 70.0.3538.102, 70.0.3538.110, 71.0.3578.80, 71.0.3578.98, 72.0.3626.81, 72.0.3626.96, 72.0.3626.109, 72.0.3626.119, 72.0.3626.121, 73.0.3683.75, 73.0.3683.86, 73.0.3683.103, 74.0.3729.108, 74.0.3729.131, 74.0.3729.157, 74.0.3729.169, 75.0.3770.80, 75.0.3770.90, 75.0.3770.100, 75.0.3770.142, 76.0.3809.87, 76.0.3809.100, 76.0.3809.132, 77.0.3865.75, 77.0.3865.90, 77.0.3865.120, 78.0.3904.70, 78.0.3904.87, 78.0.3904.97, 78.0.3904.108, 79.0.3945.79, 79.0.3945.88, 79.0.3945.117, 79.0.3945.130, 80.0.3987.87, 80.0.3987.100, 80.0.3987.106, 80.0.3987.116, 80.0.3987.122, 80.0.3987.132, 80.0.3987.149, 80.0.3987.162, 80.0.3987.163, 81.0.4044.92, 81.0.4044.113, 81.0.4044.122, 81.0.4044.129, 81.0.4044.138, 83.0.4103.61, 83.0.4103.97, 83.0.4103.106, 83.0.4103.116, 84.0.4147.89, 84.0.4147.105, 84.0.4147.125, 84.0.4147.135, 85.0.4183.83, 85.0.4183.102, 85.0.4183.121, 86.0.4240.75, 86.0.4240.111, 86.0.4240.183, 86.0.4240.193, 86.0.4240.198, 87.0.4280.66, 87.0.4280.88, 87.0.4280.141, 88.0.4324.96, 88.0.4324.104, 88.0.4324.146, 88.0.4324.150, 88.0.4324.182, 88.0.4324.190, 89.0.4389.72, 89.0.4389.82, 89.0.4389.90, 89.0.4389.114, 89.0.4389.128, 90.0.4430.72, 90.0.4430.85, 90.0.4430.93, 90.0.4430.212, 91.0.4472.77, 91.0.4472.101, 91.0.4472.106, 91.0.4472.114, 91.0.4472.124, 91.0.4472.164, 92.0.4515.107, 92.0.4515.131, 92.0.4515.159, 93.0.4577.63, 93.0.4577.82, 94.0.4606.54, 94.0.4606.61, 94.0.4606.71

CPE2.3 External links

http://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop.html
http://crbug.com/1252878
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37977

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Heap-based buffer overflow

EUVDB-ID: #VU57129

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37978

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Blink. 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.

Mitigation

Update to version 94.0.4606.81.

Vulnerable software versions

Google Chrome: 7.0.517.41, 7.0.517.44, 70.0.3538.67, 70.0.3538.77, 70.0.3538.102, 70.0.3538.110, 71.0.3578.80, 71.0.3578.98, 72.0.3626.81, 72.0.3626.96, 72.0.3626.109, 72.0.3626.119, 72.0.3626.121, 73.0.3683.75, 73.0.3683.86, 73.0.3683.103, 74.0.3729.108, 74.0.3729.131, 74.0.3729.157, 74.0.3729.169, 75.0.3770.80, 75.0.3770.90, 75.0.3770.100, 75.0.3770.142, 76.0.3809.87, 76.0.3809.100, 76.0.3809.132, 77.0.3865.75, 77.0.3865.90, 77.0.3865.120, 78.0.3904.70, 78.0.3904.87, 78.0.3904.97, 78.0.3904.108, 79.0.3945.79, 79.0.3945.88, 79.0.3945.117, 79.0.3945.130, 80.0.3987.87, 80.0.3987.100, 80.0.3987.106, 80.0.3987.116, 80.0.3987.122, 80.0.3987.132, 80.0.3987.149, 80.0.3987.162, 80.0.3987.163, 81.0.4044.92, 81.0.4044.113, 81.0.4044.122, 81.0.4044.129, 81.0.4044.138, 83.0.4103.61, 83.0.4103.97, 83.0.4103.106, 83.0.4103.116, 84.0.4147.89, 84.0.4147.105, 84.0.4147.125, 84.0.4147.135, 85.0.4183.83, 85.0.4183.102, 85.0.4183.121, 86.0.4240.75, 86.0.4240.111, 86.0.4240.183, 86.0.4240.193, 86.0.4240.198, 87.0.4280.66, 87.0.4280.88, 87.0.4280.141, 88.0.4324.96, 88.0.4324.104, 88.0.4324.146, 88.0.4324.150, 88.0.4324.182, 88.0.4324.190, 89.0.4389.72, 89.0.4389.82, 89.0.4389.90, 89.0.4389.114, 89.0.4389.128, 90.0.4430.72, 90.0.4430.85, 90.0.4430.93, 90.0.4430.212, 91.0.4472.77, 91.0.4472.101, 91.0.4472.106, 91.0.4472.114, 91.0.4472.124, 91.0.4472.164, 92.0.4515.107, 92.0.4515.131, 92.0.4515.159, 93.0.4577.63, 93.0.4577.82, 94.0.4606.54, 94.0.4606.61, 94.0.4606.71

CPE2.3 External links

http://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop.html
http://crbug.com/1236318
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37978

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Heap-based buffer overflow

EUVDB-ID: #VU57130

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37979

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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 a heap-based buffer overflow and execute arbitrary code on the target system.

Mitigation

Update to version 94.0.4606.81.

Vulnerable software versions

Google Chrome: 7.0.517.41, 7.0.517.44, 70.0.3538.67, 70.0.3538.77, 70.0.3538.102, 70.0.3538.110, 71.0.3578.80, 71.0.3578.98, 72.0.3626.81, 72.0.3626.96, 72.0.3626.109, 72.0.3626.119, 72.0.3626.121, 73.0.3683.75, 73.0.3683.86, 73.0.3683.103, 74.0.3729.108, 74.0.3729.131, 74.0.3729.157, 74.0.3729.169, 75.0.3770.80, 75.0.3770.90, 75.0.3770.100, 75.0.3770.142, 76.0.3809.87, 76.0.3809.100, 76.0.3809.132, 77.0.3865.75, 77.0.3865.90, 77.0.3865.120, 78.0.3904.70, 78.0.3904.87, 78.0.3904.97, 78.0.3904.108, 79.0.3945.79, 79.0.3945.88, 79.0.3945.117, 79.0.3945.130, 80.0.3987.87, 80.0.3987.100, 80.0.3987.106, 80.0.3987.116, 80.0.3987.122, 80.0.3987.132, 80.0.3987.149, 80.0.3987.162, 80.0.3987.163, 81.0.4044.92, 81.0.4044.113, 81.0.4044.122, 81.0.4044.129, 81.0.4044.138, 83.0.4103.61, 83.0.4103.97, 83.0.4103.106, 83.0.4103.116, 84.0.4147.89, 84.0.4147.105, 84.0.4147.125, 84.0.4147.135, 85.0.4183.83, 85.0.4183.102, 85.0.4183.121, 86.0.4240.75, 86.0.4240.111, 86.0.4240.183, 86.0.4240.193, 86.0.4240.198, 87.0.4280.66, 87.0.4280.88, 87.0.4280.141, 88.0.4324.96, 88.0.4324.104, 88.0.4324.146, 88.0.4324.150, 88.0.4324.182, 88.0.4324.190, 89.0.4389.72, 89.0.4389.82, 89.0.4389.90, 89.0.4389.114, 89.0.4389.128, 90.0.4430.72, 90.0.4430.85, 90.0.4430.93, 90.0.4430.212, 91.0.4472.77, 91.0.4472.101, 91.0.4472.106, 91.0.4472.114, 91.0.4472.124, 91.0.4472.164, 92.0.4515.107, 92.0.4515.131, 92.0.4515.159, 93.0.4577.63, 93.0.4577.82, 94.0.4606.54, 94.0.4606.61, 94.0.4606.71

CPE2.3 External links

http://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop.html
http://crbug.com/1247260
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Improperly implemented security check for standard

EUVDB-ID: #VU57131

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-37980

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in Sandbox in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

Mitigation

Update to version 94.0.4606.81.

Vulnerable software versions

Google Chrome: 7.0.517.41, 7.0.517.44, 70.0.3538.67, 70.0.3538.77, 70.0.3538.102, 70.0.3538.110, 71.0.3578.80, 71.0.3578.98, 72.0.3626.81, 72.0.3626.96, 72.0.3626.109, 72.0.3626.119, 72.0.3626.121, 73.0.3683.75, 73.0.3683.86, 73.0.3683.103, 74.0.3729.108, 74.0.3729.131, 74.0.3729.157, 74.0.3729.169, 75.0.3770.80, 75.0.3770.90, 75.0.3770.100, 75.0.3770.142, 76.0.3809.87, 76.0.3809.100, 76.0.3809.132, 77.0.3865.75, 77.0.3865.90, 77.0.3865.120, 78.0.3904.70, 78.0.3904.87, 78.0.3904.97, 78.0.3904.108, 79.0.3945.79, 79.0.3945.88, 79.0.3945.117, 79.0.3945.130, 80.0.3987.87, 80.0.3987.100, 80.0.3987.106, 80.0.3987.116, 80.0.3987.122, 80.0.3987.132, 80.0.3987.149, 80.0.3987.162, 80.0.3987.163, 81.0.4044.92, 81.0.4044.113, 81.0.4044.122, 81.0.4044.129, 81.0.4044.138, 83.0.4103.61, 83.0.4103.97, 83.0.4103.106, 83.0.4103.116, 84.0.4147.89, 84.0.4147.105, 84.0.4147.125, 84.0.4147.135, 85.0.4183.83, 85.0.4183.102, 85.0.4183.121, 86.0.4240.75, 86.0.4240.111, 86.0.4240.183, 86.0.4240.193, 86.0.4240.198, 87.0.4280.66, 87.0.4280.88, 87.0.4280.141, 88.0.4324.96, 88.0.4324.104, 88.0.4324.146, 88.0.4324.150, 88.0.4324.182, 88.0.4324.190, 89.0.4389.72, 89.0.4389.82, 89.0.4389.90, 89.0.4389.114, 89.0.4389.128, 90.0.4430.72, 90.0.4430.85, 90.0.4430.93, 90.0.4430.212, 91.0.4472.77, 91.0.4472.101, 91.0.4472.106, 91.0.4472.114, 91.0.4472.124, 91.0.4472.164, 92.0.4515.107, 92.0.4515.131, 92.0.4515.159, 93.0.4577.63, 93.0.4577.82, 94.0.4606.54, 94.0.4606.61, 94.0.4606.71

CPE2.3 External links

http://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop.html
http://crbug.com/1254631
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37980

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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