Microsoft Excel 2002 Spreadsheet memory corruption

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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Excel 2002. Impacted is an unknown function of the component Spreadsheet. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2011-1278. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Microsoft Excel 2002 (Spreadsheet Software). It has been rated as very critical. This issue affects some unknown functionality of the component Spreadsheet. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Excel 2002 SP3 and Office 2004 for Mac do not properly validate record information during parsing of Excel spreadsheets, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted spreadsheet, aka "Excel WriteAV Vulnerability."

The weakness was shared 06/16/2011 by Will Dormann with CERT/CC as MS11-045 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. The identification of this vulnerability is CVE-2011-1278 since 03/04/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/09/2021).

The vulnerability scanner Nessus provides a plugin with the ID 55135 (MS11-036 / MS11-045: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2545814 / 2537146) (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 118896 (Microsoft Excel Could Allow Remote Code Execution (MS11-045)).

Applying the patch MS11-045 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13670.

The vulnerability is also documented in the databases at X-Force (67718), Tenable (55135), SecurityFocus (BID 48163†) and Vulnerability Center (SBV-31804†). The entries VDB-4348, VDB-4349, VDB-4369 and VDB-57690 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 55135
Nessus Name: MS11-036 / MS11-045: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2545814 / 2537146) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902378
OpenVAS Name: Microsoft Office Excel Remote Code Execution Vulnerabilities (2537146)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS11-045
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/04/2011 🔍
06/14/2011 +102 days 🔍
06/14/2011 +0 days 🔍
06/15/2011 +1 days 🔍
06/16/2011 +1 days 🔍
06/16/2011 +0 days 🔍
03/23/2015 +1376 days 🔍
11/09/2021 +2422 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS11-045
Researcher: Will Dormann
Organization: CERT/CC
Status: Confirmed

CVE: CVE-2011-1278 (🔍)
GCVE (CVE): GCVE-0-2011-1278
GCVE (VulDB): GCVE-100-57689

OVAL: 🔍
IAVM: 🔍

X-Force: 67718
SecurityFocus: 48163 - Microsoft Excel WriteAV Memory Corruption CVE-2011-1278 Remote Code Execution Vulnerability
Vulnerability Center: 31804 - [MS11-045] Microsoft Excel WriteAV Vulnerability Allows Remote Code Execution, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/09/2021 00:57
Changes: 03/23/2015 16:50 (72), 03/24/2017 07:58 (13), 11/09/2021 00:57 (2)
Complete: 🔍
Cache ID: 216:95D:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!