logo_SVG-01
✕
  • Platform
    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    • Managed Security Services
    • Managed Penetration Testing
  • Services
    • Assess
      • Compromise Assessment
      • Advanced Persistent Threats 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
      • Simulated Cyber Attack Exercise
      • Tabletop Exercise
      • Security Awareness and Training
    • Respond
      • Incident Analysis
      • Incident Response
  • Solutions
  • Resources
    • Blogs
    • Press Releases
    • Threat Insights
      • Threat Intelligence Reports
      • Threat Advisories
      • Monthly Threat Insights
  • Why Rewterz?
    • About Us
    • Careers
    • Contact
logo_SVG-01
  • Platform
    xdrLogo
    center_new
    Read More about XDR

    Platform

    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    Rewterz Threat Advisory – Multiple Mozilla Firefox Vulnerabilities

    Managed Security Services

    • Managed Security Monitoring
    • Remote SOC
    • Onsite SOC
    • Hybrid SOC

    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

    Assess

    • Compromise Assessment
    • APT Assessment
    • Penetration Testing
    • 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

    • Simulated Cyber Attack Exercise
    • Tabletop Exercise
    • Security Awareness and Training

    Respond

    • Incident Analysis
    • Incident Response
  • Solutions
  • Resources

    Resources

    • Blog
    • Press Releases
    August 18, 2023
    Rewterz
    August 18, 2023
    Rewterz Threat Alert – Emerging Attack Wave: Zimbra Email Users Targeted in Campaign for Credential Theft – Active IOCs
    Severity High Analysis Summary Since April 2023, an ongoing phishing campaign has been actively targeting Zimbra Collaboration email servers globally, as reported by researchers. The campaign […]
    August 18, 2023
    Rewterz
    August 18, 2023
    Rewterz Threat Alert – Targeting NATO-Aligned Nations: Russian Threat Actors Focus on Ministries of Foreign Affairs – Active IOCs
    Severity High Analysis Summary Russian threat actors are reportedly involved in an ongoing campaign that targets the foreign affairs ministries of NATO-aligned nations. This campaign employs […]
    August 18, 2023
    Rewterz
    August 18, 2023
    Rewterz Threat Alert – APT Group Gamaredon aka Shuckworm – Active IOCs
    Severity High Analysis Summary Shuckworm APT – aka Actinium, Armageddon, Primitive Bear, Gamaredon, and Trident Ursa – is a Russia-backed advanced persistent threat (APT) that has […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

    Connect with Us

    • Contact
    • Careers
Get in Touch
logo_SVG-01
  • Platform
    xdrLogo
    center_new
    Read More about XDR

    Platform

    • Rewterz XDR
    • Rewterz Defense
    • Rewterz Threat Intelligence
    Rewterz Threat Advisory – Multiple Mozilla Firefox Vulnerabilities

    Managed Security Services

    • Managed Security Monitoring
    • Remote SOC
    • Onsite SOC
    • Hybrid SOC

    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

    Assess

    • Compromise Assessment
    • APT Assessment
    • Penetration Testing
    • 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

    • Simulated Cyber Attack Exercise
    • Tabletop Exercise
    • Security Awareness and Training

    Respond

    • Incident Analysis
    • Incident Response
  • Solutions
  • Resources

    Resources

    • Blog
    • Press Releases
    August 18, 2023
    Rewterz
    August 18, 2023
    Rewterz Threat Alert – Emerging Attack Wave: Zimbra Email Users Targeted in Campaign for Credential Theft – Active IOCs
    Severity High Analysis Summary Since April 2023, an ongoing phishing campaign has been actively targeting Zimbra Collaboration email servers globally, as reported by researchers. The campaign […]
    August 18, 2023
    Rewterz
    August 18, 2023
    Rewterz Threat Alert – Targeting NATO-Aligned Nations: Russian Threat Actors Focus on Ministries of Foreign Affairs – Active IOCs
    Severity High Analysis Summary Russian threat actors are reportedly involved in an ongoing campaign that targets the foreign affairs ministries of NATO-aligned nations. This campaign employs […]
    August 18, 2023
    Rewterz
    August 18, 2023
    Rewterz Threat Alert – APT Group Gamaredon aka Shuckworm – Active IOCs
    Severity High Analysis Summary Shuckworm APT – aka Actinium, Armageddon, Primitive Bear, Gamaredon, and Trident Ursa – is a Russia-backed advanced persistent threat (APT) that has […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

    Connect with Us

    • Contact
    • Careers
Get in Touch
Rewterz
Rewterz Threat Advisory – CVE-2023-26139 – Node.js underscore-keypath Module Vulnerability
August 2, 2023
Rewterz
Rewterz Threat Advisory – Multiple GitLab Community Edition and Enterprise Edition Vulnerabilities
August 2, 2023

Rewterz Threat Advisory – Multiple Mozilla Firefox Vulnerabilities

August 2, 2023

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

Platform

  • Rewterz XDR
  • Rewterz Defense
  • Rewterz Threat Intelligence

Managed Security Services

  • Managed Security Monitoring
  • Remote SOC
  • Onsite SOC
  • Hybrid SOC

Assess

  • Compromise Assessment
  • APT Assessment
  • Penetration Testing
  • 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

  • Simulated Cyber Attack Exercise
  • Tabletop Exercise
  • Security Awareness and Training

Respond

  • Incident Analysis
  • Incident Response

Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
  • Press Releases

Connect With Us

  • Contact
  • Careers
COPYRIGHT © REWTERZ. ALL RIGHTS RESERVED.
Get a Demo