Improper input validation in Oracle Java SE - CVE-2019-2821

Vulnerability identifier: #VU109741

CSH Severity: Medium

CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-2821

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the JSSE component in Java SE. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

Oracle Java SE
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for IBM System z (Structure A)
Red Hat Enterprise Linux for Power 9
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
java-11-openjdk (Red Hat package)

Install updates from vendor's website.

Dell EMC Unity Operating Environment (OE) - update to 5.0.3.0.5.014
Dell EMC Unity VSA Operating Environment (OE) - update to 5.0.3.0.5.014
java-11-openjdk (Red Hat package) - addressed in versions 11.0.4.11-0.el7_6, 11.0.4.11-0.el8_0

• https://www.oracle.com/security-alerts/cpujul2019.html

• Multiple vulnerabilities in Oracle Java SE
• Dell EMC Unity update for third-party components
• Red Hat Enterprise Linux 8 update for java-11-openjdk
• Red Hat Enterprise Linux 7 update for java-11-openjdk