CVE-2003-0503 Memory corruption in n/a

What is CVE-2003-0503?

CVE-2003-0503 is a high-severity memory corruption vulnerability in Microsoft Windows 2000, published on 4 Jul 2003. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.

Which versions are affected by CVE-2003-0503?

It affects 1 product.

Products include Microsoft Windows 2000.

How do I fix CVE-2003-0503?

No fix has been published for CVE-2003-0503 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-2003-0503 being exploited?

There is no known exploitation of CVE-2003-0503 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 2000

• CVE-2008-4250 Microsoft Windows Buffer Overflow Exploited Critical 9.8
• CVE-2010-0232 Microsoft Windows Kernel Exception Handler Exploited High 7.8
• CVE-2009-1123 Microsoft Windows Improper Input Validation Exploited High 7.8
• CVE-2002-0367 Microsoft Windows Privilege Escalation Exploited High 7.8
• CVE-2010-0269 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2000 vulnerabilities

Sources

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

Also known as GHSA-hwcm-g6vh-x9c8.