Microsoft Excel 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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Excel. This impacts an unknown function. This manipulation causes memory corruption. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Excel (Spreadsheet Software) (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 11/10/2009 with Microsoft as MS09-067 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

We expect the 0-day to have been worth approximately $100k and more.

Upgrading eliminates this vulnerability. Applying the patch MS09-067 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (59860†) and Secunia (SA37299†). The entry VDB-50789 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Spreadsheet Software

Vendor

• Microsoft

Name

• Excel

License

• commercial

Website

• Vendor: https://www.microsoft.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

Video

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS09-067

Timelineinfo

11/10/2009 🔍
11/10/2009 +0 days 🔍
11/10/2009 +0 days 🔍
11/10/2009 +0 days 🔍
11/19/2009 +8 days 🔍
04/24/2018 +3078 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS09-067
Organization: Microsoft
Status: Confirmed

GCVE (VulDB): GCVE-100-4057
Secunia: 37299 - Microsoft Excel Multiple Vulnerabilities, Highly Critical
OSVDB: 59860 - Microsoft Office Excel BIFF File FEATHEADER cbHdrData Size Element Handling Memory Corruption

See also: 🔍

Entryinfo

Created: 11/19/2009 16:41
Updated: 04/24/2018 08:41
Changes: 11/19/2009 16:41 (56), 04/24/2018 08:41 (2)
Complete: 🔍
Cache ID: 216:C45:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

Want to know what is going to be exploited?

We predict KEV entries!