March 22, 2024
Severity High Analysis Summary Ducktail Malware is a malicious program designed by hackers to infiltrate computers and networks globally. Ducktail malware is typically delivered through a […]
Rewterz Threat Advisory – CVE-2021-41616 – Apache Vulnerability Zero-Day Actively Exploited In The Wild
October 6, 2021
Rewterz Threat Alert – Hancitor InfoStealer – Active IOCs
October 6, 2021
Rewterz Threat Advisory – CVE-2021-41616 – Apache Vulnerability Zero-Day Actively Exploited In The Wild
October 6, 2021
Rewterz Threat Alert – Hancitor InfoStealer – Active IOCs
October 6, 2021
Severity
High
Analysis Summary
CVE-2021-38500
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVE-2021-38499
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVE-2021-38501
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVE-2021-38498
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free of nsLanguageAtomService object. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVE-2021-38497
Mozilla Firefox could allow a remote attacker to conduct spoofing attacks. By using reportValidity() and window.open(), a remote attacker could overlay a validation message on another origin and possibly conduct spoofing attacks.
CVE-2021-38496
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in MessageTask. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
Impact
- Code Execution
- Unauthorized Access
- Denial of Service
Affected Vendors
- Mozilla
Affected Products
- Mozilla Firefox ESR 78.14
- Mozilla Firefox 92
- Mozilla Firefox ESR 91.1
Remediation
Refer to Mozilla Advisory for patch, upgrade, or suggested workaround information.