CVE-2011-1877 Use after free in n/a
Local attackers can gain elevated privileges by exploiting a use-after-free flaw in the Windows kernel driver via a crafted application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2011-1877?
CVE-2011-1877 is a high-severity use after free vulnerability in Microsoft Windows 7, published on 13 Jul 2011. 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
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, aka "Win32k Use After Free Vulnerability."
Weakness: CWE-399
Which versions are affected by CVE-2011-1877?
It affects 3 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2008, Microsoft Windows Vista.
How do I fix CVE-2011-1877?
No fix has been published for CVE-2011-1877 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2011-1877 being exploited?
There is no known exploitation of CVE-2011-1877 in the wild and no public exploit code.
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-vmx6-6m4v-wmj6.