Oracle Linux: CVE-2020-2816: ELSA-2020-1509: java-11-openjdk security update (IMPORTANT) (Multiple Advisories)

Description

Vulnerability in the Java SE product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 11.0.6 and 14. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.0 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N). A flaw was found in the TLS/SSL implementation in the JSSE component of OpenJDK, where it did not properly handle application data packets received before the handshake completion. This flaw allowed unauthorized injection of data at the beginning of a TLS session.