Java SE 7 Virtual Machine information disclosure

Summaryinfo

A vulnerability was found in Java SE 7. It has been classified as problematic. This impacts an unknown function of the component Virtual Machine. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2012-4420. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Java SE 7 (Programming Language Software). It has been rated as problematic. This issue affects an unknown code block of the component Virtual Machine. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.

The bug was discovered 09/13/2012. The weakness was released 12/26/2019. The identification of this vulnerability is CVE-2012-4420 since 08/21/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/27/2019). It is expected to see the exploit prices for this product decreasing in the near future.MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2660 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 55538†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Programming Language Software

Name

• Java SE

Version

• 7

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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