Published Oct 01, 2012|Updated Sep 15, 2017

Exploit:Java/CVE-2012-4681

Alert level: Severe Detected with Windows Defender Antivirus

Also detected as: No associated aliases

Microsoft security software detects and removes this threat.

This threat uses a software vulnerability to download and run other files on your PC, including malware.

It runs when you visit a hacked website and you have a vulnerable version of Java. A number of legitimate websites could be hacked to unwillingly host this threat.

The following versions of Java are vulnerable:

  • Oracle Java JDK and JRE 7 Update 5 and earlier
  • JRE 6 Update 34 and earlier

To check if you're running a vulnerable version of Java:

  1. Go to the control panel (Select Start then Control Panel)
  2. Select Programs. If Java is installed you will see it in the list of installed programs. Click it to open the Java Control Panel.
  3. On the General tab, click About to see which version of Java you have installed.

You might get a detection for this threat when you visit a website that has the malicious code, even if you're not using a vulnerable version of Java. This doesn't mean that you have been compromised; it means an attempt to hack into your PC has been made.

The vulnerability that this threat exploits is described in CVE-2012-4681.

 

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