Sunday, June 16, 2024

PowerPoint file Equipped with CVE-2017-0199 could Compromise Your System

Security experts from FortiGuard Labs discovered a malicious Powerpoint file in name ADVANCED DIPLOMATIC PROTOCOL AND ETIQUETTE SUMMIT.ppsx using the CVE-2017-0199 Vulnerability.By opening, this malicious PDF file may compromise your system.

CVE-2017-0199 was originally a zero-day remote code execution vulnerability that allowed attackers to use a flaw that exists within the Windows Object Linking and Embedding (OLE) interface of Microsoft workplace to deliver malware.

This vulnerability has been disclosed and patched in last April 2017. This vulnerability triggers an RCE with Microsoft Office or Word with specially crafted files.

Fortigate identified that the flaw is used by attackers in Windows Object Linking and Embedding (OLE) interface of Microsoft Office and gain control over the system.

Powerpoint Malware
Source : Fortinet

When the malicious file opened by the user it triggers ppt/slides/_rels/slide1.xml.rels and then it use to download remote code from hxxp://www[.]narrowbabwe[.]net:3345/exp[.]doc.The remote code developers include blank spaces to evade malware detection.

Also Read Exploit Windows Remote PC with EternalBlue & DoublePulsar Exploit through Metasploit

They observed that exploit to use to download the doc file and it consist of XMLand JavaScripts.The Java Script used to escalate Privilege and bypass UAC.The UAC bypass method involves hijacking the registry in HKCU\software\classes\mscfile\shell\open\command and then executing eventvwr.exe.

After decoding all the scripts it will read the following registry if it dosesn’t exists it will create them.

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Seed0
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Feed0

Then it looks for the network adapter configured to connect with C&C server HTTP POST to hxxp://www[.]narrowbabwe[.]net/comsary/index[.]php to connect and download the malicious payload to establish control over the machine.

Also Read Exploitation Framework for Embedded devices – RouterSploit

Solution From Fortinet

  • Apply the patches released by Microsoft in April that covers the CVE-2017-0199 vulnerability.
  • FortiGuard Antivirus service detects this threat as
  • MSOffice/Downloader!exploit.CVE20170199
  • FortiGuard Web Filtering service blocks all C&C and related URLs.
  • FortiSandbox rates the PPSX file as High Risk.

https://www.youtube.com/watch?v=zpfNf8JTSQM

Website

Latest articles

Sleepy Pickle Exploit Let Attackers Exploit ML Models And Attack End-Users

Hackers are targeting, attacking, and exploiting ML models. They want to hack into these...

SolarWinds Serv-U Vulnerability Let Attackers Access sensitive files

SolarWinds released a security advisory for addressing a Directory Traversal vulnerability which allows a...

Smishing Triad Hackers Attacking Online Banking, E-Commerce AND Payment Systems Customers

Hackers often attack online banking platforms, e-commerce portals, and payment systems for illicit purposes.Resecurity...

Threat Actor Claiming Leak Of 5 Million Ecuador’s Citizen Database

A threat actor has claimed responsibility for leaking the personal data of 5 million...

Ascension Hack Caused By an Employee Who Downloaded a Malicious File

Ascension, a leading healthcare provider, has made significant strides in its investigation and recovery...

AWS Announced Malware Detection Tool For S3 Buckets

Amazon Web Services (AWS) has announced the general availability of Amazon GuardDuty Malware Protection...

Hackers Exploiting MS Office Editor Vulnerability to Deploy Keylogger

Researchers have identified a sophisticated cyberattack orchestrated by the notorious Kimsuky threat group.The...
Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Free Webinar

API Vulnerability Scanning

71% of the internet traffic comes from APIs so APIs have become soft targets for hackers.Securing APIs is a simple workflow provided you find API specific vulnerabilities and protect them.In the upcoming webinar, join Vivek Gopalan, VP of Products at Indusface as he takes you through the fundamentals of API vulnerability scanning..
Key takeaways include:

  • Scan API endpoints for OWASP API Top 10 vulnerabilities
  • Perform API penetration testing for business logic vulnerabilities
  • Prioritize the most critical vulnerabilities with AcuRisQ
  • Workflow automation for this entire process

Related Articles