CVE-2012-1876 Memory corruption in n/a
Remote attackers can execute arbitrary code via a heap-based buffer overflow in Internet Explorer when accessing a nonexistent object, 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-2012-1876?
CVE-2012-1876 is a critical memory corruption vulnerability in Microsoft Internet Explorer, published on 12 Jun 2012. 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 Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution Vulnerability," as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012.
Weakness: CWE-94
Which versions are affected by CVE-2012-1876?
It affects 1 product.
Products include Microsoft Internet Explorer.
How do I fix CVE-2012-1876?
No fix has been published for CVE-2012-1876 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-2012-1876 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-1876 exists.
Public exploit code: 1 Metasploit module, 5 Exploit-DB entries and 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Internet Explorer
- CVE-2014-1776 Microsoft Internet Explorer Memory Corruption
- CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation
- CVE-2017-0149 Microsoft Internet Explorer Memory Corruption
Sources
Also known as CVE-2012-1544, GHSA-mj6r-fxqr-4c2f.