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Rewterz Threat Alert – Donot APT Group – Active IOCs
February 23, 2022
Rewterz Threat Advisory – CVE-2021-35244 – SolarWinds Orion Zero-Day Vulnerability
February 23, 2022

Rewterz Threat Advisory – CVE-2022-21988 – Microsoft Office Zero-Day Vulnerability

February 23, 2022

Severity

High

Analysis Summary

CVE-2022-21988

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Office Visio. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of EMR_DELETEOBJECT records in EMF images. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Impact

  • Remote Code Execution

Indicators of Compromise

CVE

  • CVE-2022-21988

Affected Vendors

Microsoft

Affected Products

  • Office Visio

Remediation

To update the patch to this vulnerability, visit:

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21988
  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • 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
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
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    • About Us
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