CVE-2012-5672 Denial of service in n/a

What is CVE-2012-5672?

CVE-2012-5672 is a medium-severity denial of service vulnerability in Microsoft Excel, published on 25 Oct 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Which versions are affected by CVE-2012-5672?

It affects 3 products.

Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office.

How do I fix CVE-2012-5672?

No fix has been published for CVE-2012-5672 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2012-5672 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-5672 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-c7rj-fx5f-q8qw.