Oracle Database Server 11.2.0.4/12.1.0.2 Real Application Clusters information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Oracle Database Server 11.2.0.4/12.1.0.2. This impacts an unknown function of the component Real Application Clusters. This manipulation causes information disclosure. This vulnerability appears as CVE-2016-2183. The attack may be initiated remotely. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle Database Server 11.2.0.4/12.1.0.2 (Database Software) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Real Application Clusters. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, and integrity.

The bug was discovered 08/24/2016. The weakness was presented 07/19/2017 by Karthik Bhargavan as Oracle Critical Patch Update Advisory - July 2017 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2016-2183 since 01/29/2016. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 95255 (AIX OpenSSL Advisory : openssl_advisory21.asc (SWEET32)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157837 (Oracle Enterprise Linux Security Update for python (ELSA-2018-3041)).

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 Exploit-DB (42091), Tenable (95255) and SecurityFocus (BID 92630†). See VDB-87879, VDB-88080, VDB-90396 and VDB-90937 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.8
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 6.8
Vendor Vector (Oracle): 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95255
Nessus Name: AIX OpenSSL Advisory : openssl_advisory21.asc (SWEET32)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-755
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/29/2016 🔍
08/24/2016 +208 days 🔍
08/24/2016 +0 days 🔍
08/31/2016 +7 days 🔍
11/22/2016 +83 days 🔍
07/19/2017 +239 days 🔍
07/19/2017 +0 days 🔍
07/19/2017 +0 days 🔍
05/30/2026 +3236 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2017
Researcher: Karthik Bhargavan
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2183 (🔍)
GCVE (CVE): GCVE-0-2016-2183
GCVE (VulDB): GCVE-100-103783

OVAL: 🔍

SecurityFocus: 92630 - SSL/TLS Protocol CVE-2016-2183 Information Disclosure Vulnerability
SecurityTracker: 1036696

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/20/2017 00:10
Updated: 05/30/2026 01:39
Changes: 07/20/2017 00:10 (88), 10/31/2019 11:49 (9), 01/01/2021 20:00 (4), 04/01/2025 01:29 (16), 05/30/2026 01:39 (11)
Complete: 🔍
Cache ID: 216::103

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