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Rewterz Threat Alert – APT SideWinder Group – Active IOCs
March 10, 2022
Rewterz Threat Alert – DanaBot Trojan – Active IOCs
March 10, 2022

Rewterz Threat Advisory – Multiple Mozilla Firefox Vulnerabilities

March 10, 2022

Severity

Medium

Analysis Summary

CVE-2022-26382

Mozilla Firefox could allow a remote attacker to obtain sensitive information, caused by side-channel attacks on the text. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to exfiltrate Autofill tooltips and obtain sensitive information.

CVE-2022-0843

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-2022-26385

Mozilla Firefox is vulnerable to a denial of service, caused by a use-after-free in thread shutdown. 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-2022-26386

Mozilla Firefox could allow a remote attacker to obtain sensitive information, caused by the downloading of temporary files to /tmp and accessible by other local users. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to obtain sensitive information.

CVE-2022-26381

Mozilla Firefox is vulnerable to a denial of service, caused by a use-after-free in text reflows. 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-2022-26384

Mozilla Firefox could allow a remote attacker to bypass security restrictions, caused by an error when controlling the contents of an iframe sandboxed with allow-popups but not allow-scripts. By persuading a victim to click a specially-crafted link, a remote attacker could exploit this vulnerability to bypass sandbox restrictions.

CVE-2022-26383

Mozilla Firefox could allow a remote attacker to conduct spoofing attacks, caused by an error when using fullscreen mode. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to spoof the browser window.

Impact

  • Information Disclosure
  • Code Execution
  • Denial of Service
  • Security Bypass
  • Unauthorized Access

Indicators of Compromise

CVE

  • CVE-2022-26382
  • CVE-2022-0843
  • CVE-2022-26385
  • CVE-2022-26386
  • CVE-2022-26381
  • CVE-2022-26384
  • CVE-2022-26383

Affected Vendors

Mozilla

Affected Products

  • Mozilla Firefox 97.0.1
  • Mozilla Firefox ESR 91.6

Remediation

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

Mozilla Firefox 97.0.1

Mozilla Firefox ESR 91.6

  • Services
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      • Compromise Assessment
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    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
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    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
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      • Remote SOC
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      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
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      • Managed Threat Intelligence
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  • Solutions
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