Oracle Java SE 7u261/8u251/11.0.7/14.0.1 JSSE information disclosure

Summaryinfo

A vulnerability marked as problematic has been reported in Oracle Java SE 7u261/8u251/11.0.7/14.0.1. The affected element is an unknown function of the component JSSE. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2020-14577. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Java SE 7u261/8u251/11.0.7/14.0.1 (Programming Language Software) and classified as problematic. This issue affects an unknown code of the component JSSE. 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:

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 7u261, 8u251, 11.0.7 and 14.0.1; Java SE Embedded: 8u251. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE, Java SE Embedded accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

The weakness was released 07/15/2020 as Oracle Critical Patch Update Advisory - July 2020 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2020-14577. 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 T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 208630 (CentOS 6 : java-1.7.1-ibm (RHSA-2020:3387)), 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 (208630). Entries connected to this vulnerability are available at VDB-158073, VDB-158074, VDB-158075 and VDB-158076. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Programming Language Software

Vendor

• Oracle

Name

• Java SE

Version

• 7u261
• 8u251
• 11.0.7
• 14.0.1

License

• open-source

Website

• Vendor: https://www.oracle.com

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Be aware that VulDB is the high quality source for vulnerability data.

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