Microsoft Excel 2000/2002/2003/2007 BIFF Record stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Excel 2000/2002/2003/2007. Impacted is an unknown function of the component BIFF Record Handler. Performing a manipulation results in stack-based overflow. This vulnerability was named CVE-2007-0215. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Excel 2000/2002/2003/2007 (Spreadsheet Software). This affects an unknown code of the component BIFF Record Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, and 2003 Viewer allows user-assisted remote attackers to execute arbitrary code via a .XLS BIFF file with a malformed Named Graph record, which results in memory corruption.

The bug was discovered 11/16/2006. The weakness was presented 05/08/2007 by Manuel Santamarina Suarez (TippingPoint) with SDI as MS07-023 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2007-0215 since 01/12/2007. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at saintcorporation.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 173 days. During that time the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 25162 (MS07-023: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (934233)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110058 (Microsoft Excel Remote Code Execution Vulnerability (MS07-023)).

Upgrading eliminates this vulnerability. Applying the patch MS07-023 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. Attack attempts may be identified with Snort ID 11290. In this case the pattern |95 00| is used for detection.

The vulnerability is also documented in the databases at X-Force (33913), Tenable (25162), SecurityFocus (BID 23760†), OSVDB (34393†) and Secunia (SA25150†). Further details are available at informationweek.com. See VDB-2748, VDB-2925, VDB-3024 and VDB-3054 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

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: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25162
Nessus Name: MS07-023: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (934233)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Saint ID: exploit_info/excel_named_graph
Saint Name: Microsoft Excel Named Graph record buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: MS07-023

Snort ID: 11290
Snort Message: WEB-CLIENT Excel malformed named graph information ascii overflow
Snort Pattern: 🔍

Timelineinfo

11/16/2006 🔍
01/12/2007 +57 days 🔍
05/08/2007 +116 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/10/2007 +1 days 🔍
04/28/2019 +4371 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS07-023
Researcher: Manuel Santamarina Suarez (TippingPoint)
Organization: SDI
Status: Confirmed

CVE: CVE-2007-0215 (🔍)
GCVE (CVE): GCVE-0-2007-0215
GCVE (VulDB): GCVE-100-3063

OVAL: 🔍

X-Force: 33913 - Microsoft Excel BIFF file format buffer overflow, High Risk
SecurityFocus: 23760 - Microsoft Excel BIFF Record Remote Code Execution Vulnerability
Secunia: 25150 - Microsoft Excel Three Code Execution Vulnerabilities, Highly Critical
OSVDB: 34393 - Microsoft Excel BIFF Record Named Graph Record Parsing Overflow
SecurityTracker: 1018012
Vupen: ADV-2007-1708

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/10/2007 15:12
Updated: 04/28/2019 10:40
Changes: 05/10/2007 15:12 (104), 04/28/2019 10:40 (1)
Complete: 🔍
Cache ID: 216::103

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