Microsoft Excel up to 2003 on Asian System Document Repair Style memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Excel up to 2003 on Asian System. It has been classified as problematic. This vulnerability affects unknown code of the component Document Repair Style Handler. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2006-3431. Moreover, an exploit is present. It is suggested to swap out the affected component for an alternative.

Detailsinfo

A vulnerability was found in Microsoft Excel up to 2003 on Asian System (Spreadsheet Software). It has been rated as critical. This issue affects an unknown code block of the component Document Repair Style Handler. 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:

Buffer overflow in certain Asian language versions of Microsoft Excel might allow user-assisted attackers to execute arbitrary code via a crafted STYLE record in a spreadsheet that triggers the overflow when the user attempts to repair the document or selects the "Style" option, as demonstrated by nanika.xls. NOTE: Microsoft has confirmed to CVE via e-mail that this is different than the other Excel vulnerabilities announced before 20060707, including CVE-2006-3059 and CVE-2006-3086.

The bug was discovered 07/03/2006. The weakness was disclosed 07/06/2006 by nanika as confirmed posting (Bugtraq). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2006-3431 since 07/07/2006. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22539 (MS06-058 / MS06-059 / MS06-0060 / MS06-062: Vulnerabilities in Microsoft Office Allow Remote Code Execution (924163 / 924164 / 924554 / 922581) (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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110045 (Microsoft Excel Multiple Remote Code Execution Vulnerabilities (MS06-059)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. The problem might be mitigated by replacing the product with as an alternative. The best possible mitigation is suggested to be establishing an alternative product. A possible mitigation has been published 4 months after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 7024. In this case the pattern |93 02| is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4569.

The vulnerability is also documented in the databases at X-Force (29243), Tenable (22539), SecurityFocus (BID 18872†), OSVDB (27053†) and Secunia (SA20268†). The entries VDB-2508, VDB-2571, VDB-2595 and VDB-2597 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22539
Nessus Name: MS06-058 / MS06-059 / MS06-0060 / MS06-062: Vulnerabilities in Microsoft Office Allow Remote Code Execution (924163 / 924164 / 924554 / 922581) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Alternative
Status: 🔍

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

Patch: windowsupdate.microsoft.com

Snort ID: 7024
Snort Message: WEB-CLIENT excel style handling overflow attempt
Snort Pattern: 🔍
TippingPoint: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

07/03/2006 🔍
07/03/2006 +0 days 🔍
07/04/2006 +1 days 🔍
07/06/2006 +2 days 🔍
07/06/2006 +0 days 🔍
07/06/2006 +0 days 🔍
07/06/2006 +0 days 🔍
07/07/2006 +0 days 🔍
07/07/2006 +0 days 🔍
07/07/2006 +0 days 🔍
07/16/2006 +9 days 🔍
10/10/2006 +86 days 🔍
10/11/2006 +1 days 🔍
06/22/2019 +4637 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Researcher: nanika
Status: Confirmed

CVE: CVE-2006-3431 (🔍)
GCVE (CVE): GCVE-0-2006-3431
GCVE (VulDB): GCVE-100-2357

OVAL: 🔍

X-Force: 29243
SecurityFocus: 18872 - Microsoft Excel Style Handling and Repair Remote Code Execution Vulnerability
Secunia: 20268 - Microsoft Excel Multiple Buffer Overflow Vulnerabilities, Highly Critical
OSVDB: 27053 - Microsoft Excel Asian Language Style Option Overflow
SecurityTracker: 1016430
Vulnerability Center: 12271 - [MS06-059] Microsoft Excel Asian Language Versions Crafted STYLE Record Code Execution Vulnerability, Medium
Vupen: ADV-2006-2689

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/07/2006 11:21
Updated: 06/22/2019 13:04
Changes: 07/07/2006 11:21 (103), 06/22/2019 13:04 (6)
Complete: 🔍
Cache ID: 216:3E3:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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