Microsoft Excel 2007 File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Excel 2007. Affected is an unknown function of the component File Handler. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2012-5672. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Microsoft Excel 2007 (Spreadsheet Software). It has been classified as problematic. This affects an unknown functionality of the component File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

Microsoft Excel Viewer (aka Xlview.exe) and Excel in Microsoft Office 2007 (aka Office 12) allow remote attackers to cause a denial of service (read access violation and application crash) via a crafted spreadsheet file, as demonstrated by a .xls file with battery voltage data.

The weakness was shared 10/10/2012 by Jean Pascal Pereira as 212/Oct/63 as not defined posting (Full-Disclosure/Bugtraq). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2012-5672 since 10/24/2012. 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. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 902692 , which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (79198), Exploit-DB (37980), Tenable (902692), OSVDB (86623†) and Vulnerability Center (SBV-36545†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 902692
Nessus Risk: 🔍

OpenVAS ID: 902692
OpenVAS Name: Microsoft Office Excel ReadAV Arbitrary Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

10/10/2012 🔍
10/10/2012 +0 days 🔍
10/11/2012 +1 days 🔍
10/15/2012 +4 days 🔍
10/24/2012 +9 days 🔍
10/25/2012 +1 days 🔍
10/26/2012 +1 days 🔍
10/29/2012 +3 days 🔍
11/08/2012 +10 days 🔍
07/06/2025 +4623 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 212/Oct/63
Researcher: Jean Pascal Pereira
Status: Not defined

CVE: CVE-2012-5672 (🔍)
GCVE (CVE): GCVE-0-2012-5672
GCVE (VulDB): GCVE-100-6819
X-Force: 79198 - Microsoft Excel code execution, High Risk
OSVDB: 86623
Vulnerability Center: 36545 - Microsoft Excel and Excel Reader ReadAV Remote Code Execution Vulnerability via a Crafted XLS File, Medium

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

Entryinfo

Created: 10/29/2012 11:49
Updated: 07/06/2025 04:29
Changes: 10/29/2012 11:49 (67), 04/19/2017 10:31 (7), 07/06/2025 04:29 (16)
Complete: 🔍
Committer: olku
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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