• Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • 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
    • Respond
      • Incident Response
      • Incident Analysis
  • 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
    • Press Release
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
Rewterz Threat Alert – Phobos Ransomware – Active IOCs
January 17, 2023
Rewterz Threat Advisory – Multiple Adobe InCopy Vulnerabilities
January 17, 2023

Rewterz Threat Advisory –Multiple Adobe Acrobat and Adobe Reader Vulnerabilities

January 17, 2023

Severity

High

Analysis Summary

CVE-2023-21607 CVSS:7.8

Adobe Acrobat and Adobe Reader could allow a remote attacker to execute arbitrary code on the system, caused by improper validation of user-supplied input. By persuading a victim to open a specially-crafted document, an attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the victim or cause the application to crash.

CVE-2023-21579 CVSS:7.8

Adobe Acrobat and Adobe Reader could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow. By persuading a victim to open a specially-crafted document, a remote attacker could execute arbitrary code on the system or cause the application to crash.

CVE-2023-21612 CVSS:5.5

Adobe Acrobat and Adobe Reader could allow a remote attacker to bypass security restrictions, caused by a violation of secure design principles. By persuading a victim to open a specially-crafted document, a remote attacker could exploit this vulnerability to bypass access restrictions.

CVE-2023-21614 CVSS:5.5

Adobe Acrobat and Adobe Reader could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read. By persuading a victim to open a specially-crafted document, a remote attacker could exploit this vulnerability to obtain sensitive information.

CVE-2023-21613 CVSS:5.5

Adobe Acrobat and Adobe Reader could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read. By persuading a victim to open a specially-crafted document, a remote attacker could exploit this vulnerability to obtain sensitive information.

CVE-2023-21585 CVSS:5.5

Adobe Acrobat and Adobe Reader could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read. By persuading a victim to open a specially-crafted document, a remote attacker could exploit this vulnerability to obtain sensitive information.

CVE-2023-21605 CVSS:7.8

Adobe Acrobat and Adobe Reader are vulnerable to a heap-based buffer overflow. By persuading a victim to open a specially-crafted document, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVE-2023-21604 CVSS:7.8

Adobe Acrobat and Adobe Reader are vulnerable to a stack-based buffer overflow. By persuading a victim to open a specially-crafted document, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVE-2023-21609 CVSS:7.8

Adobe Acrobat and Adobe Reader could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write error. By persuading a victim to open a specially-crafted document, an attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the victim or cause the application to crash.

CVE-2023-21606 CVSS:7.8

Adobe Acrobat and Adobe Reader could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write error. By persuading a victim to open a specially-crafted document, an attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the victim or cause the application to crash.

CVE-2023-21610 CVSS:7.8

Adobe Acrobat and Adobe Reader are vulnerable to a stack-based buffer overflow. By persuading a victim to open a specially-crafted document, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVE-2023-21608 CVSS:7.8

Adobe Acrobat and Adobe Reader could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free error. By persuading a victim to open a specially-crafted document, an attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the victim or cause the application to crash.

CVE-2023-21581 CVSS:5.5

Adobe Acrobat and Adobe Reader could allow a remote attacker to obtain sensitive information, caused by an out-of-bounds read. By persuading a victim to open a specially-crafted document, a remote attacker could exploit this vulnerability to obtain sensitive information.

CVE-2023-21586 CVSS:5.5

Adobe Acrobat and Adobe Reader are vulnerable to a denial of service, caused by a NULL pointer dereference. By persuading a victim to open a specially-crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.

Impact

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

Indicators Of Compromise

CVE

  • CVE-2023-21607
  • CVE-2023-21579
  • CVE-2023-21612
  • CVE-2023-21614
  • CVE-2023-21613
  • CVE-2023-21585
  • CVE-2023-21605
  • CVE-2023-21604
  • CVE-2023-21609
  • CVE-2023-21606
  • CVE-2023-21610
  • CVE-2023-21608
  • CVE-2023-21581
  • CVE-2023-21586

Affected Vendors

Adobe

Affected Products

  • Adobe Acrobat DC 22.003.20281
  • Adobe Acrobat DC 22.003.20282
  • Adobe Acrobat Reader DC 22.003.20282
  • Adobe Acrobat 2020 20.005.30418
  • Adobe Acrobat Reader DC 22.003.20281
  • Adobe Acrobat Reader 2020 20.005.30418

Remediation

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

Adobe Security Advisory

  • 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
  • Company
    • About Us
    • Careers
    • Contact
COPYRIGHT © REWTERZ. ALL RIGHTS RESERVED.