SB2020071520 - Multiple vulnerabilities in Oracle Database Server
Published: July 15, 2020 Updated: May 7, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2019-16943)
The vulnerability allows a remote attacker to compromise the affected application.
The vulnerability exists due to a Polymorphic Typing issue when processing JSON requests within the com.p6spy.engine.spy.P6DataSource component. A remote attacker can send specially crafted JSON data to an RMI service endpoint and execute arbitrary code on he system.
Successful exploitation of the vulnerability requires that Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint, the service has has the p6spy (3.8.6) jar in the classpath, and an attacker can find an RMI service endpoint to send requests to.
2) Heap-based buffer overflow (CVE-ID: CVE-2018-18314)
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow when processing malicious input. A remote unauthenticated attacker can supply specially crafted regular expression, trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) XML External Entity injection (CVE-ID: CVE-2019-13990)
The vulnerability allows a remote attacker to conduct an XML External Entity (XXE) attack on a targeted system.
The vulnerability exists due to insufficient validation of user-supplied XML input in the "initDocumentParser" function in the "xml/XMLSchedulingDataProcessor.java" file. A remote authenticated attacker can submit a malicious job description to the targeted system and conduct an XXE attack.
4) Improper input validation (CVE-ID: CVE-2020-2978)
The vulnerability allows a remote privileged user to manipulate data.
The vulnerability exists due to improper input validation within the Oracle Database - Enterprise Edition in Oracle Database Server. A remote privileged user can exploit this vulnerability to manipulate data.
5) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2019-17569)
The vulnerability allows a remote attacker to perform HTTP request smuggling attack.
The vulnerability exists due to improper input validation when processing a Transfer-Encoding headers. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.6) Heap-based buffer overflow (CVE-ID: CVE-2020-8112)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the the qmfbid==1 case, a different issue than CVE-2020-6851. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
7) Improper input validation (CVE-ID: CVE-2020-2969)
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper input validation within the Data Pump in Oracle Database Server. A remote privileged user can exploit this vulnerability to execute arbitrary code.
8) Denial of service (CVE-ID: CVE-2016-9843)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in zlib due to big-endian out-of-bounds pointer. A remote attacker can send a specially crafted document, trick the victim into opening it, and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
9) Improper input validation (CVE-ID: CVE-2020-2968)
The vulnerability allows a remote authenticated user to execute arbitrary code.
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 execute arbitrary code.
10) Desereliazation of untrusted data (CVE-ID: CVE-2016-1000031)
The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.The weakness exists in DiskFileItem class of the FileUpload library due to deserialization of untrusted data. A remote attacker can execute arbitrary code under the context of the current process.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.