Oracle Security Alert for CVE-2012-4681

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Vulnerability name/brief description Oracle Security Alert for CVE-2012-4681
CVE/CAN name
Vendor threat level Critical
SophosLabs threat level Critical
Solution Java JRE 1.6.0_35 Java JRE 1.7.0_07
Vendor description These vulnerabilities may be remotely exploitable without authentication, i.e., they may be exploited over a network without the need for a username and password. To be successfully exploited, an unsuspecting user running an affected release in a browser will need to visit a malicious web page that leverages this vulnerability. Successful exploits can impact the availability, integrity, and confidentiality of the user's system.
SophosLabs comments SophosLabs have seen several examples of files exploiting this vulnerability in Java 7. The code has already been incorporated in a Metasploit package, the Blackhole exploit kit and SophosLabs are aware of targeted attacks leveraging this code. SophosLabs recommends customers patch.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits
First sample seen 2012-08-26
Discovery date 26 Aug 2012
Affected software JDK and JRE 7 Update 6 and before
JDK and JRE 6 Update 34 and beforer
Credits No credits found
  • August 29th, 2012 - Initial analysis written

Explanation of terms

Vulnerability Name/Brief Description:

Vendor identifier plus a brief description of the type of attack.


Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:

Threat level assigned by the vendor

SophosLabs Threat Level:

Threat level assigned by SophosLabs

  • LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
  • MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
  • HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
  • CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.


Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.

Vendor Description:

Summary of the cause and potential effect of the vulnerability provided by the vendor.

SophosLabs Comments:

SophosLabs' opinions and observations of the vulnerability in question.

SophosLabs Testing Result:

Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.

Currently Known Exploits:

List of identities for known exploits, if applicable.

First Sample Seen:

Date of the first sample seen by SophosLabs.

Discovery Date:

Date of the earliest known publically disclosed advisory.

Affected Software:

Vulnerable platforms and software versions.