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Rewterz Threat Advisory – VMware Workspace ONE Accessv and Identity Manager server-side
December 21, 2021
Rewterz Threat Alert – Donot APT Group – Active IOCs
December 21, 2021

Rewterz Threat Advisory – CVE-2021-41260 – Mozilla Thunderbird Vulnerability

December 21, 2021

Severity

Medium

Analysis Summary

CVE-2021-41260

Mozilla Thunderbird could allow a remote attacker to bypass security restrictions, caused by the failure of OpenPGP signature status to consider additional message content. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to give the false impression that the additional contents were also covered by the digital signature.

Impact

  • Security Bypass

Affected Vendors

Mozilla

Affected Products

  • Mozilla Thunderbird 91.4.0

Remediation

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

https://www.mozilla.org/en-US/security/advisories/mfsa2021-55/

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    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
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      • Purple Team Assessment
      • Social Engineering
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    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     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
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
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      • Managed Threat Intelligence
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      • Managed Risk-Based SOAR
      • Managed Penetration Testing
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