ID CVE-2015-6118
Summary Microsoft Office 2007 SP3 and Office 2010 SP2 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."
Vulnerable Configurations
  • Microsoft Office 2007 Service Pack 3
  • Microsoft Office 2010 Service Pack 2 for 64 bit systems (x64)
  • Microsoft Office 2010 Service Pack 2 for 32 bit systems (x86)
Base: 9.3 (as of 09-12-2015 - 14:34)
  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
  • Overflow Binary Resource File
    An attack of this type exploits a buffer overflow vulnerability in the handling of binary resources. Binary resources may include music files like MP3, image files like JPEG files, and any other binary file. These attacks may pass unnoticed to the client machine through normal usage of files, such as a browser loading a seemingly innocent JPEG file. This can allow the attacker access to the execution stack and execute arbitrary code in the target process. This attack pattern is a variant of standard buffer overflow attacks using an unexpected vector (binary files) to wrap its attack and open up a new attack vector. The attacker is required to either directly serve the binary content to the victim, or place it in a locale like a MP3 sharing application, for the victim to download. The attacker then is notified upon the download or otherwise locates the vulnerability opened up by the buffer overflow.
  • Buffer Overflow via Symbolic Links
    This type of attack leverages the use of symbolic links to cause buffer overflows. An attacker can try to create or manipulate a symbolic link file such that its contents result in out of bounds data. When the target software processes the symbolic link file, it could potentially overflow internal buffers with insufficient bounds checking.
  • Overflow Variables and Tags
    This type of attack leverages the use of tags or variables from a formatted configuration data to cause buffer overflow. The attacker crafts a malicious HTML page or configuration file that includes oversized strings, thus causing an overflow.
  • Buffer Overflow via Parameter Expansion
    In this attack, the target software is given input that the attacker knows will be modified and expanded in size during processing. This attack relies on the target software failing to anticipate that the expanded data may exceed some internal limit, thereby creating a buffer overflow.
  • Buffer Overflow in an API Call
    This attack targets libraries or shared code modules which are vulnerable to buffer overflow attacks. An attacker who has access to an API may try to embed malicious code in the API function call and exploit a buffer overflow vulnerability in the function's implementation. All clients that make use of the code library thus become vulnerable by association. This has a very broad effect on security across a system, usually affecting more than one software process.
  • Buffer Overflow in Local Command-Line Utilities
    This attack targets command-line utilities available in a number of shells. An attacker can leverage a vulnerability found in a command-line utility to escalate privilege to root.
msbulletin via4
bulletin_id MS15-131
date 2015-12-08T00:00:00
impact Remote Code Execution
knowledgebase_id 3116111
severity Critical
title Security Update for Microsoft Office to Address Remote Code Execution
nessus via4
NASL family Windows : Microsoft Bulletins
description The remote Windows host has a version of Microsoft Office, Word, Word Viewer, Excel, Excel Viewer, or Microsoft Office Compatibility Pack installed that is affected by multiple remote code execution vulnerabilities : - Multiple memory corruption issues exist due to improper handling of objects in memory. A remote attacker can exploit these issues by convincing a user to open a specially crafted file in an affected version of Office, resulting in the execution of arbitrary code in the context of the current user. (CVE-2015-6040, CVE-2015-6118, CVE-2015-6122, CVE-2015-6124, CVE-2015-6177) - A remote code execution vulnerability exists due to improper parsing of email messages. A remote attacker can exploit this vulnerability by convincing a user to open or preview a specially crafted email message, resulting in the execution of arbitrary code in the context of the current user. (CVE-2015-6172)
last seen 2019-02-21
modified 2018-08-03
plugin id 87260
published 2015-12-08
reporter Tenable
title MS15-131: Security Update for Microsoft Office to Address Remote Code Execution (3116111)
refmap via4
ms MS15-131
sectrack 1034324
Last major update 09-12-2015 - 17:52
Published 09-12-2015 - 06:59
Last modified 12-10-2018 - 18:10
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