Oracle WebLogic Server 10.3.6.0.0/12.1.3.0.0/12.2.1.3.0 Apache Commons FileUpload access control

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Oracle WebLogic Server 10.3.6.0.0/12.1.3.0.0/12.2.1.3.0. This issue affects some unknown processing of the component Apache Commons FileUpload. The manipulation leads to access control. This vulnerability is traded as CVE-2019-2856. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Oracle WebLogic Server 10.3.6.0.0/12.1.3.0.0/12.2.1.3.0 (Application Server Software). This issue affects an unknown functionality of the component Apache Commons FileUpload. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Application Container - JavaEE). Supported versions that are affected is 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 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 shared 07/16/2019 as Oracle Critical Patch Update Advisory - Juli 2019 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2019-2856 since 12/14/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/06/2020). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

We expect the 0-day to have been worth approximately $25k-$100k.

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

The entries VDB-137972, VDB-137963, VDB-137964 and VDB-137965 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Application Server Software

Vendor

• Oracle

Name

• WebLogic Server

Version

• 10.3.6.0.0
• 12.1.3.0.0
• 12.2.1.3.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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