CVE-2009-1134 Memory corruption in n/a

What is CVE-2009-1134?

CVE-2009-1134 is a critical memory corruption vulnerability in Microsoft Office, published on 10 Jun 2009. 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

Excel in 2007 Microsoft Office System SP1 and SP2; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption Vulnerability."

Weakness: CWE-94

Which versions are affected by CVE-2009-1134?

It affects 6 products.

Products include Microsoft Office, Microsoft Office Compatibility Pack for Word Excel Ppt 2007, Microsoft Office Excel, Microsoft Office Excel Viewer, Microsoft Office Sharepoint Server, Microsoft Open Xml File Format Converter.

How do I fix CVE-2009-1134?

No fix has been published for CVE-2009-1134 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-1134 being exploited?

There is no known exploitation of CVE-2009-1134 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Office

• CVE-2018-0798 Microsoft Office Memory Corruption Exploited High 8.8
• CVE-2015-1770 Microsoft Office Uninitialized Memory Use Exploited High 8.8
• CVE-2006-2492 Microsoft Word Malformed Object Pointer Exploited High 8.8
• CVE-2018-0802 Microsoft Office Memory Corruption Exploited High 7.8
• CVE-2017-11882 Microsoft Office Memory Corruption Exploited High 7.8

All Microsoft Office vulnerabilities

Sources

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

Also known as GHSA-6rcx-mjhp-hmpc.