Oracle Java SE 7u241/8u231/11.0.5/13.0.1 Serialization denial of service

Summaryinfo

A vulnerability was found in Oracle Java SE 7u241/8u231/11.0.5/13.0.1. It has been classified as problematic. Affected is an unknown function of the component Serialization. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2020-2583. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle Java SE 7u241/8u231/11.0.5/13.0.1 (Programming Language Software). It has been rated as problematic. This issue affects an unknown code block of the component Serialization. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Serialization). Supported versions that are affected are Java SE: 7u241, 8u231, 11.0.5 and 13.0.1; Java SE Embedded: 8u231. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.0 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

The weakness was published 01/15/2020 as Oracle Critical Patch Update Advisory - January 2020 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2020-2583. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 294762 (MiracleLinux 7 : java-1.7.0-openjdk-1.7.0.251-2.6.21.0.0.1.el7.AXS7 (AXSA:2020-4487:02)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (294762). Similar entries are available at VDB-149016, VDB-149015, VDB-149014 and VDB-149013. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Programming Language Software

Vendor

• Oracle

Name

• Java SE

Version

• 7u241
• 8u231
• 11.0.5
• 13.0.1

License

• open-source

Website

• Vendor: https://www.oracle.com

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