CVE-2011-0104 Memory corruption in n/a

What is CVE-2011-0104?

CVE-2011-0104 is a critical memory corruption vulnerability in Microsoft Excel, published on 13 Apr 2011. 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 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted HLink record in an Excel file, aka "Excel Buffer Overwrite Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2011-0104?

It affects 3 products.

Products include Microsoft Excel, Microsoft Office, Microsoft Open Xml File Format Converter.

How do I fix CVE-2011-0104?

No fix has been published for CVE-2011-0104 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-2011-0104 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-0104 exists.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

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-xfjm-p2hj-x3rp.