CVE-2018-3936: Out-of-bounds Write

In Antenna House Office Server Document Converter version V6.1 Pro MR2 for Linux64 6,1,2018,0312, a crafted Microsoft Word DOC document can lead to an out-of-bounds write, resulting in remote code execution...

PT-2018-16324

Name of the Vulnerable Software and Affected Versions Antenna House Office Server Document Converter version V6.1 Pro MR2 for Linux64 6,1,2018,0312 Description A stack-based buffer overflow exists in the Microsoft Word document conversion functionality. This can be exploited by a crafted Microsof...

Smoking Guns - Smoke Loader learned new tricks

This post is authored by Ben Baker and Holger Unterbrink Overview Cisco Talos has been tracking a new version of Smoke Loader — a malicious application that can be used to load other malware — for the past several months following an alert from Cisco Advanced Malware Protection’s AMP Exploit...

The vulnerability of the Microsoft Office software arises from an operation that goes beyond buffer boundaries in memory, allowing an attacker to execute arbitrary code.

The vulnerability of the Microsoft Office package arises from an operation that goes beyond the buffer boundaries in memory. Exploiting this vulnerability allows a malicious actor to execute arbitrary code using a specially crafted DOCX file...

Malware analysis: decoding Emotet, part 1

Emotet Banking Trojan malware has been around for quite some time now. As such, infosec researchers have made several attempts to develop tools to de-obfuscate and even decrypt the AES-encrypted code belonging to this malware. The problem with these tools is that they target active versions of th...

Exploit for Out-of-bounds Write in Microsoft

CVE-2018-8174-msf This is a metasploit module which creates a...

Internet Explorer zero-day: browser is once again under attack

Update 2018-05-25: CVE-2018-8174 has been added to the RIG exploit kit MDNC. Update 2018-05-22: Security researcher Richard Warren mentioned that a fully working IE zero-day now patched with payload was uploaded to VirusTotal. We decided to test Malwarebytes against it, since last time we only ha...

Heap overflow

The SwCTBWrapper::Read function in sw/source/filter/ww8/ww8toolbar.cxx in LibreOffice before 5.4.6.1 and 6.x before 6.0.2.1 does not validate a customizations index, which allows remote attackers to cause a denial of service heap-based buffer overflow with write access or possibly have unspecifie...

Word Attachment Delivers FormBook Malware, No Macros Required

A new wave of document attacks targeting inboxes do not require enabling macros in order for adversaries to trigger an infection chain that ultimately delivers FormBook malware. Researchers at Menlo Security are reporting a wave of attacks that began last month that are targeting financial and...

Memory Corruption Vulnerability in WPS Office 2016 Text wpsdocxrw Module

WPS office is an office software suite independently developed by Kingsoft Corporation. A memory corruption vulnerability exists in the wpsdocxrw module of WPS text wps.exe in WPS when parsing a specific docx file. An attacker can exploit the vulnerability to cause a denial of service...

Massive Spam Campaign Targets Unpatched Systems

Cybercriminals are leveraging a recently patched critical Adobe Flash Player vulnerability in a massive spam campaign targeting unpatched computers. According to cybersecurity firm Morphisec, cybercriminals are blasting spam messages that urge recipients to click a link to download a Word documen...

Memory Corruption Vulnerability in WPS Text

WPS office is an office software suite independently developed by Kingsoft Corporation. A memory corruption exists in WPS text wps.exe in WPS when parsing a specific docx file, which can be exploited by an attacker to cause a denial of service or possibly code execution...

DEBIAN-CVE-2017-12626

Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: 1 Infinite Loops while parsing crafted WMF, EMF, MSG and macros POI bugs 61338 and 61294, and 2 Out of Memory Exceptions while parsing crafted DOC, PPT and XLS POI bugs 52372 and 61295...

Threat Analysis: Malicious Microsoft Word Documents Being Used in Targeted Attack Campaigns

A Microsoft Word document .doc believed to be malicious was recently submitted to Carbon Black’s Threat Analysis Unit TAU. The submitting organization did not feel that that document and subsequent payload was fully executing in their analysis environment, and questioned whether or not it was...

Microsoft Office DDE Payload Delivery

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Microsoft Office DDE Payload Delivery', 'Description' = %q This module generates an DDE command to place within a word document, that when...

Recam Redux - DeConfusing ConfuserEx

This post is authored by Holger Unterbrink and Christopher MarczewskiOverviewThis report shows how to deobfuscate a custom .NET ConfuserEx protected malware. We identified this recent malware campaign in our Advanced Malware Protection AMP telemetry. Initial infection is via a malicious Word...

Apache OpenOffice DOC File Parsing Remote Code Execution Vulnerability

Apache OpenOffice is open and free word processing software. The OpenOffice Writer DOC file parser and WW8Fonts constructor handles DOC file vulnerabilities, allowing remote attackers to exploit the vulnerability by submitting a special file and tricking the user into parsing it, which can crash...

Oracle OIT ContentAccess libvs_word+63AC Code Execution Vulnerability(CVE-2016-3592)

Description Partially controlled memory write vulnerability exists in Mac Word file format parsing code of Oracle Outside In Technology Content Access SDK. An unchecked pointer arithmetic leads to an out of bounds memory overwrite resulting in code execution. Tested Versions Oracle Outside In...

Attackers Use Undocumented MS Office Feature to Leak System Profile Data

An undocumented Microsoft Office feature allows attackers to gather sensitive configuration details on targeted systems simply by tricking recipients to open a specially crafted Word document—no VBA macros, embedded Flash objects or PE files needed. The undocumented feature is being used by...

Threat Analysis: Word Documents with Embedded Macros Leveraging Emotet Trojan

Many customers have recently asked how Carbon Black's solutions detect macros and droppers specifically referencing Emotet dropper files. Customers often say that macros and droppers are an ongoing problem in their environments. They are also seen day-to-day by most practitioners. The analysis...