vulnerability note 9414

Oracle Database: privilege elevation via DBMS_JVM/DBMS_JAVA

Synthesis of the vulnerability

An attacker, authenticated on an Oracle database, can call procedures of DBMS_JVM_EXP_PERMS and DBMS_JAVA, in order to execute commands with system privileges.

Severity: 2/4. Creation date: 08/02/2010.

Description of the vulnerability

The DBMS_JVM_EXP_PERMS package is used during Oracle updates. The DBMS_JVM_EXP_PERMS.IMPORT_JVM_PERMS procedure changes Java privileges of the user. The DBMS_JAVA package creates and manipulates Java applications from SQL. The DBMS_JAVA.SET_OUTPUT_TO_JAVA procedure defines a method to call when a Java application writes on System.out/err. By combining DBMS_JVM_EXP_PERMS.IMPORT_JVM_PERMS and DBMS_JAVA.SET_OUTPUT_TO_JAVA, an attacker can elevate his privileges and execute a shell command. An attacker, authenticated on an Oracle database, can thus execute commands with system privileges.

Complete Vigil@nce bulletin

Access to the complete Vigil@nce bulletin

Characteristics

Title: Oracle Database: privilege elevation via DBMS_JVM/DBMS_JAVA. Keywords: DBMS_JAVA DBMS_JVM DBMS_JVM_EXP_PERMS Database ET_OUTPUT_TO_JAVA Java MPORT_JVM_PERMS Oracle SQL System elevation privilege. Identifiers: BID-38115, VIGILANCE-VUL-9414.

Information sources

Publications and announces Source example: Vulnerability in Oracle 11gR2 allows system privileges for all

Solutions for this vulnerability

Patch or workaround

Computer vulnerabilities tracking service

The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system.
The Vigil@nce vulnerability database contains several thousand vulnerabilities.
This bulletin is published by the Vigil@nce team, which tracks computer vulnerabilities impacting systems and applications.
Technology watch team on vulnerabilities