Oracle Database Server 11.2.0.2/11.2.0.3 XML Parser privileges management

Summaryinfo

A vulnerability categorized as very critical has been discovered in Oracle Database Server 11.2.0.2/11.2.0.3. This vulnerability affects unknown code of the component XML Parser. Such manipulation leads to privileges management. This vulnerability is traded as CVE-2013-3751. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Database Server 11.2.0.2/11.2.0.3 (Database Software). It has been rated as very critical. Affected by this issue is an unknown functionality of the component XML Parser. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Unspecified vulnerability in the XML Parser component in Oracle Database Server 11.2.0.2 and 11.2.0.3 allows remote authenticated users to affect confidentiality, integrity, and availability via unknown vectors.

The weakness was shared 07/16/2013 with Oracle as Oracle Critical Patch Update Advisory - July 2013 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2013-3751 since 06/03/2013. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation needs a simple authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/19/2021). The MITRE ATT&CK project declares the attack technique as T1068.

As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 68934 (Oracle Database Multiple Vulnerabilities (July 2013 CPU)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Databases. The commercial vulnerability scanner Qualys is able to test this issue with plugin 19934 (Oracle Database July 2014 Patch Set Update (PSU) 12.1.0.1.4 Not Installed (Patch 18522516)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (85650), Tenable (68934), SecurityFocus (BID 61206†) and OSVDB (95264†). isc.sans.edu is providing further details. The entries VDB-9609, VDB-9632, VDB-9608 and VDB-9629 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database Server

Version

• 11.2.0.2
• 11.2.0.3

License

• commercial

Website

• Vendor: https://www.oracle.com

CPE 2.3info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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