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Rewterz Threat Advisory – Multiple Mozilla Firefox Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-4058 CVSS:8.8

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-2023-4055 CVSS:6.5

Mozilla Firefox could allow a remote attacker to bypass security restrictions, caused by a cookie jar overflow. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to cause requests to be sent with some cookies missing.

CVE-2023-4054 CVSS:6.5

Mozilla Firefox could allow a remote attacker to bypass security restrictions, caused by the lack of warning when opening appref-ms files. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to bypass security restrictions.

CVE-2023-4053 CVSS:6.5

Mozilla Firefox could allow a remote attacker to conduct spoofing attacks, caused by the obscuring of the full screen notification by an external program. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to conduct a spoofing attack.

CVE-2023-4052 CVSS:8.8

Mozilla Firefox could allow a remote attacker to gain elevated privileges on the system, caused by an error related to the uninstaller. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to delete arbitrary files and gain elevated privileges on the system.

CVE-2023-4051 CVSS:6.5

Mozilla Firefox could allow a remote attacker to conduct spoofing attacks, caused by the obscuring of the full screen notification by file open dialog. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to conduct a spoofing attack.

CVE-2023-4050 CVSS:8.8

Mozilla Firefox is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by StorageManager. 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-2023-4049 CVSS:8.8

Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by race conditions in reference counting code. 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-2023-4048 CVSS:6.5

Mozilla Firefox is vulnerable to a denial of service, caused by an out-of-bounds read when parsing HTML with DOMParser in low memory situations. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to cause the browser to crash.

CVE-2023-4047 CVSS:6.5

Mozilla Firefox could allow a remote attacker to bypass security restrictions, caused by a bug in popup notifications delay calculation. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability using clickjacking to trick a user into granting permissions.

CVE-2023-4046 CVSS:6.5

Mozilla Firefox is vulnerable to a denial of service, caused by the incorrect value used during WASM compilation. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to cause a crash in the content process.

CVE-2023-4045 CVSS:6.5

Mozilla Firefox could allow a remote attacker to bypass security restrictions, caused by the failure to properly track cross-origin tainting by Offscreeen Canvas. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to bypass cross-origin restrictions and access image data from another site in violation of same-origin policy.

Impact

  • Code Execution
  • Privilege Escalation
  • Denial of Service
  • Security Bypass
  • Buffer Overflow
  • Gain Access

Indicators Of Compromise

CVE

  • CVE-2023-4058
  • CVE-2023-4055
  • CVE-2023-4054
  • CVE-2023-4053
  • CVE-2023-4052
  • CVE-2023-4051
  • CVE-2023-4050
  • CVE-2023-4049
  • CVE-2023-4048
  • CVE-2023-4047
  • CVE-2023-4046
  • CVE-2023-4045

Affected Vendors

Mozilla

Affected Products

  • Mozilla Firefox 115.0

Remediation

Refer to Mozilla Foundation Security Advisory for patch, upgrade or suggested workaround information.

Mozilla Foundation Security Advisory