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Rewterz Threat Advisory – Multiple Google Chrome Security Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-21192

Google Chrome is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by tab groups. 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-2021-21191

Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in WebRTC. 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-2021-21193

Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in Blink. 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.

Impact

  • Application crash
  • Execute arbitrary code
  • Denial of service

Affected Vendors

Google

Affected Products

Google Chrome 89

Remediation

Upgrade to the latest version of Chrome (89.0.4389.90 or later)

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