Disappearing bytes: Reverse engineering the MS Office RTF parser

Microsoft Office was a prime target for attacks in 2017. As well as the large number of vulnerabilities discovered and proof-of-concept exploits published, malware authors felt it necessary to prevent detection of 'one-day' and 'old-day' exploits by antivirus software. It also became clear that...

Word-based Malware Attack Doesn’t Use Macros

Typically, inbox-based attacks that include malicious Microsoft Office attachments require adversaries to trick users into enabling macros. But researchers say they have identified a new malicious email campaign that uses booby-trapped Office attachments that are macro-free. The attacks do not...

CVE-2018-6390

The WStr::assign function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 does not validate the size of the source memory block before an copy call, which allows remote attackers to cause a denial of service access violation and application crash via a crafted a web page, b office...

Code injection

The WStr::assign function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 does not validate the size of the source memory block before an copy call, which allows remote attackers to cause a denial of service access violation and application crash via a crafted a web page, b office...

CVE-2018-6390

The vulnerability CVE-2018-6390 affects Kingsoft WPS Office, specifically the WStr::assign function in kso.dll used by WPS Office versions 10.1.0.7106 and 10.2.0.5978. The issue arises because the source memory block size is not validated before a _copy call, allowing remote attackers to trigger ...

CVE-2018-6217

The WStr::allociostrdata function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 allows remote attackers to cause a denial of service application crash via a crafted a web page, b office document, or c .rtf file...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

PoC exploit for CVE-2018-0802 and CVE-2017-11882, two separate v...

Remote code execution

Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way RTF content is handled, aka "Microsoft Word Memory Corruption Vulnerability"...

CVE-2018-0797

Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way RTF content is handled, aka "Microsoft Word Memory Corruption Vulnerability"...

CVE-2018-0797

Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way RTF content is handled, aka "Microsoft Word Memory Corruption Vulnerability"...

CVE-2018-0797

CVE-2018-0797 affects Microsoft Word components in Office 2010/2013/2016 where remote code execution can occur through specially crafted RTF content due to memory handling. Public details show Word memory corruption vulnerability enabling code execution when opening malicious files. Microsoft rel...

Microsoft Word 2010 Service Pack 2 Multiple RCE Vulnerabilities (KB4011659)

This host is missing a critical security update according to Microsoft KB4011659 SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Word 2007 Service Pack 3 Multiple Vulnerabilities (KB4011657)

This host is missing a critical security update according to Microsoft KB4011657 SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Office Word Multiple Vulnerabilities (KB4011651)

This host is missing a critical security update according to Microsoft KB4011651. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Word 2016 Multiple Remote Code Execution Vulnerabilities (KB4011643)

This host is missing a critical security update according to Microsoft KB4011643 SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Microsoft Office Memory Corruption Vulnerability

An Office RTF remote code execution vulnerability exists in Microsoft Office software when the Office software fails to properly handle RTF files. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on...

Security Updates for Microsoft Office Compatibility SP3 (January 2018)

The Microsoft Office Compatibility Pack products installed on the remote host are missing security updates. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in...

Security Updates for Microsoft Word Products (January 2018)

The Microsoft Words Products are missing security updates. It is therefore affected by multiple issues involving handling of Office and RTF Rich Text Format files. If successfully exploited, an attacker could execute code in the context of the current user. C Tenable Network Security, Inc...

Microsoft Word Memory Corruption (CVE-2018-0797)

An Office RTF remote code execution vulnerability exists in Microsoft Office software. The vulnerability is due to an error in the way the Office software handles RTF files. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user...

Microsoft Office - 'Composite Moniker Remote Code Execution

What? This repo contains a Proof of Concept exploit for CVE-2017-8570, a.k.a the "Composite Moniker" vulnerability. This demonstrates using the Packager.dll trick to drop an sct file into the %TEMP% directory, and then execute it using the primitive that the vulnerability provides. Download:...