CVE-2011-5046 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted IFRAME data exploiting a GDI input validation flaw in Windows kernel drivers.
- 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-2011-5046?
CVE-2011-5046 is a critical memory corruption vulnerability in Microsoft Windows 7, published on 30 Dec 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
The Graphics Device Interface (GDI) in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted data, as demonstrated by a large height attribute of an IFRAME element rendered by Safari, aka "GDI Access Violation Vulnerability."
Weakness: CWE-20
Which versions are affected by CVE-2011-5046?
It affects 5 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.
How do I fix CVE-2011-5046?
No fix has been published for CVE-2011-5046 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-2011-5046 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-5046 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-9536-w4xw-wvwr.