Microsoft Office 2004/2008 access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$5k-$25k0.00

A vulnerability classified as very critical has been found in Microsoft Office 2004/2008 (Office Suite Software). This affects some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly parse Office Art objects, which allows remote attackers to execute arbitrary code via vectors related to a function pointer, aka "Excel Dangling Pointer Vulnerability."

The weakness was published 02/10/2011 with Zero Day Initiative (Website). It is possible to read the advisory at us-cert.gov. This vulnerability is uniquely identified as CVE-2011-0980. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/17/2021). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 53374 (MS11-021 / MS11-022 / MS11-023: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2489279 / 2489283 / 2489293) (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110132 (Microsoft Excel Remote Code Execution Vulnerabilities (MS11-021)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10818.

The vulnerability is also documented in the databases at X-Force (65588), Tenable (53374), SecurityFocus (BID 46229†) and Vulnerability Center (SBV-29883†). Similar entries are available at VDB-4286, VDB-4289, VDB-54584 and VDB-56176.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.6
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 53374
Nessus Name: MS11-021 / MS11-022 / MS11-023: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2489279 / 2489283 / 2489293) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801597
OpenVAS Name: Microsoft Office Excel 2003 Invalid Object Type Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

02/07/2011 🔍
02/10/2011 +2 days 🔍
02/10/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/21/2011 +11 days 🔍
03/20/2015 +1488 days 🔍
10/17/2021 +2403 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2011-0980 (🔍)
OVAL: 🔍

X-Force: 65588
SecurityFocus: 46229 - Microsoft Excel Invalid Object Type Remote Code Execution Vulnerability
Secunia: 39122
Vulnerability Center: 29883 - [MS11-021] Microsoft Office Excel Remote Arbitrary Code Execution Vulnerability, Critical

See also: 🔍

Entryinfo

Created: 03/20/2015 04:16 PM
Updated: 10/17/2021 02:58 AM
Changes: 03/20/2015 04:16 PM (62), 04/03/2017 06:11 PM (11), 10/17/2021 02:51 AM (4), 10/17/2021 02:58 AM (1)
Complete: 🔍
Cache ID: 18:03F:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!