SB20190115117 - Multiple vulnerabilities in Oracle Database Server

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2019-2547)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote authenticated user to perform service disruption.

The vulnerability exists due to improper input validation within the Java VM in Oracle Database Server. A remote authenticated user can exploit this vulnerability to perform service disruption.

2) Improper input validation (CVE-ID: CVE-2019-2406)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Core RDBMS in Oracle Database Server. A remote privileged user can exploit this vulnerability to execute arbitrary code.

3) Input validation error (CVE-ID: CVE-2019-2444)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to compromise Core RDBMS.

The vulnerability exists due to insufficient validation of user-supplied input. A local user with Local Logon privilege can trick the victim into opening a specially crafted file and compromise Core RDBMS.

Remediation

Install update from vendor's website.

References

• https://www.oracle.com/security-alerts/cpujan2019.html?1408