Rewterz Threat Advisory – Multiple Google Chrome Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2021-22557 

Google SLO-Generator could allow a remote attacker to execute arbitrary code on the system, caused by the loading of YAML files crafted in a specific format. An attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2021-37977 

Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in Garbage Collection. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.

CVE-2021-37980 

Google Chrome could allow a remote attacker to bypass security restrictions, caused by inappropriate implementation in Sandbox. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to bypass security restrictions.

CVE-2021-37979 

Google Chrome is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by WebRTC. By persuading a victim to visit a specially crafted Web site, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVE-2021-37978 

Google Chrome is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by Blink. By persuading a victim to visit a specially crafted Web site, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

Impact

• Code Execution
• Security Bypass
• Buffer Overflow

Affected Vendors

• Google

Affected Products

• Google SLO-Generator 2.0.0
• Google Chrome 94

Remediation

Refer to Google Advisory for patch, upgrade, or suggested workaround information.

CVE-2021-22557