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Rewterz Threat Advisory – CVE-2021-26089 – Fortinet FortiClient Zero-Day Vulnerability

June 18, 2021
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Rewterz Threat Advisory –Black Kingdom Ransomware – Active IOCs

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Rewterz Threat Advisory –Multiple Google Chrome Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-30554

Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in WebGL. 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-2021-30555

Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in Sharing. 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-2021-30556

Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in WebAudio. 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-2021-30557

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

  • Code Execution
  • Denial of Service

Affected Vendors

Google

Affected Products

  • Google Chrome 91

Remediation

Upgrade to the latest version of Chrome (91.0.4472.101 or later), available from the Google Chrome Web site.

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