CVE-2007-2903 Memory corruption in n/a
Remote attackers can cause a denial of service via a buffer overflow in the Microsoft Office 2000 ActiveX control, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2007-2903?
CVE-2007-2903 is a medium-severity memory corruption vulnerability in Microsoft Office, published on 30 May 2007. 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
Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument. NOTE: it is not clear whether this issue crosses privilege boundaries.
Which versions are affected by CVE-2007-2903?
It affects 1 product.
Products include Microsoft Office.
How do I fix CVE-2007-2903?
No fix has been published for CVE-2007-2903 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-2007-2903 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-2903 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-6ch6-7fx5-4326.