Oracle Communications Diameter Signaling Router 7.x OpenSSL null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Oracle Communications Diameter Signaling Router 7.x. Affected is an unknown function of the component OpenSSL. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2016-7052. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Oracle Communications Diameter Signaling Router 7.x (Cloud Software). Affected by this vulnerability is some unknown functionality of the component OpenSSL. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

crypto/x509/x509_vfy.c in OpenSSL 1.0.2i allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by triggering a CRL operation.

The bug was discovered 09/26/2016. The weakness was shared 10/19/2017 as Oracle Critical Patch Update Advisory - October 2017 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2016-7052 since 08/23/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

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 316384 (Cisco Unity Express OpenSSL Multiple Vulnerabilities (cisco-sa-20160927-openssl)).

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 Tenable (95255) and SecurityFocus (BID 93171†). The entries VDB-87879, VDB-88080, VDB-90396 and VDB-90937 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 7.5
Vendor Vector (Oracle): 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 867773
OpenVAS Name: Fedora Update for openssl FEDORA-2016-a555159613
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: 6e629b5be45face20b4ca71c4fcbfed78b864a2e

Timelineinfo

08/23/2016 🔍
09/26/2016 +34 days 🔍
09/26/2016 +0 days 🔍
09/26/2016 +0 days 🔍
11/22/2016 +57 days 🔍
10/19/2017 +331 days 🔍
10/19/2017 +0 days 🔍
10/19/2017 +0 days 🔍
01/04/2023 +1903 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2017
Researcher: Bruce Stephens, Thomas Jakobi
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7052 (🔍)
GCVE (CVE): GCVE-0-2016-7052
GCVE (VulDB): GCVE-100-108019

OVAL: 🔍

SecurityFocus: 93171 - OpenSSL CVE-2016-7052 Denial of Service Vulnerability
SecurityTracker: 1036885

See also: 🔍

Entryinfo

Created: 10/20/2017 00:02
Updated: 01/04/2023 08:30
Changes: 10/20/2017 00:02 (90), 11/26/2019 15:50 (1), 01/17/2021 12:48 (2), 01/17/2021 12:51 (1), 01/04/2023 08:30 (4)
Complete: 🔍
Cache ID: 216::103

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