Oracle Fusion Middleware 10.3.6.0.0/12.1.3.0.0/12.2.1.3.0 WebLogic Server XML Data access control

Summaryinfo

A vulnerability was found in Oracle Fusion Middleware 10.3.6.0.0/12.1.3.0.0/12.2.1.3.0. It has been classified as critical. This affects an unknown function of the component WebLogic Server. This manipulation as part of XML Data causes access control. This vulnerability is handled as CVE-2019-2729. The attack can be initiated remotely. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Oracle Fusion Middleware 10.3.6.0.0/12.1.3.0.0/12.2.1.3.0 (Middleware). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component WebLogic Server. The manipulation as part of a XML Data leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

The weakness was released 06/18/2019 as confirmed security alert (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2019-2729 since 12/14/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87387 (Oracle WebLogic Server Remote Code Execution Vulnerability (Oracle Security Alert Advisory - CVE-2019-2729)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (47895) and Zero-Day.cz (545). Entries connected to this vulnerability are available at VDB-137877, VDB-138136, VDB-148967 and VDB-148925. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Middleware

Vendor

• Oracle

Name

• Fusion Middleware

Version

• 10.3.6.0.0
• 12.1.3.0.0
• 12.2.1.3.0

License

• commercial

Website

• Vendor: https://www.oracle.com

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion