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March 17, 2023Severity High Analysis Summary Chaos is a customizable ransomware builder that emerged on June 9 2021 (in underground forums) by falsely marketing itself as the .NET […]March 17, 2023Severity High Analysis Summary CVE-2023-26361 CVSS:4.9 Adobe ColdFusion could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially […]March 17, 2023Severity Medium Analysis Summary Ursnif banking trojan also known as Gozi and Dreambot has been around for more than 10 years. It gained popularity in 2015 […]Threat Insights
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.
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Platform
Managed Security Services
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.
Resources
March 17, 2023Severity High Analysis Summary Chaos is a customizable ransomware builder that emerged on June 9 2021 (in underground forums) by falsely marketing itself as the .NET […]March 17, 2023Severity High Analysis Summary CVE-2023-26361 CVSS:4.9 Adobe ColdFusion could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially […]March 17, 2023Severity Medium Analysis Summary Ursnif banking trojan also known as Gozi and Dreambot has been around for more than 10 years. It gained popularity in 2015 […]Threat Insights
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.
Connect with Us
Rewterz Threat Alert – Citrix Network Breached
March 14, 2019Rewterz Threat Advisory – Microsoft Windows Server 2012 / Windows RT 8.1 / 8.1 Multiple Vulnerabilities
March 18, 2019
Severity
Medium
Analysis Summary
Win32k flaw is an elevation of privilege vulnerability, which exists in Windows when the Win32k component fails to properly handle objects in memory. Win32k is the Windows kernel driver.
Specifically, the flaw is a race condition that is present in the win32k driver due to a lack of proper synchronization between undocumented system calls (NtDCompositionDiscardFrame and NtDCompositionDestroyConnection). A race condition occurs when system attempts to perform two or more operations at the same time.
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.
Impact
- Execution of arbitrary code
- Privileged access
Affected Products
Microsoft Windows 8 to 10 build 15063 64-bit operating systems
Remediation
Microsoft has patched this vulnerability.