Oracle Communications ECz7.x/ECz8.x Session Border Controller double free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Oracle Communications ECz7.x/ECz8.x. This vulnerability affects unknown code of the component Session Border Controller. Performing a manipulation results in double free. This vulnerability is known as CVE-2017-6074. Attacking locally is a requirement. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle Communications ECz7.x/ECz8.x (Cloud Software). This affects some unknown processing of the component Session Border Controller. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 02/17/2017. The weakness was published 07/18/2018 as Oracle Critical Patch Update Advisory - July 2018 as confirmed advisory (Website). It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2017-6074 since 02/17/2017. Attacking locally is a requirement. Required for exploitation is a authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 97347 (Oracle Linux 7 : kernel (ELSA-2017-0294)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351446 (Amazon Linux Security Advisory for kernel: ALAC2012-2018-012).

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 (41457), Tenable (97347) and SecurityFocus (BID 96310†). Similar entries are available at VDB-79791, VDB-95830, VDB-96555 and VDB-96560. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Oracle

Name

Communications

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 7.8
Vendor Vector (Oracle): 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 97347
Nessus Name: Oracle Linux 7 : kernel (ELSA-2017-0294)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900211
OpenVAS Name: SuSE Update for Linux Kernel openSUSE-SU-2017:0547-1 (Linux Kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: github.com

Timelineinfo

02/17/2017 🔍
02/17/2017 +0 days 🔍
02/17/2017 +0 days 🔍
02/20/2017 +2 days 🔍
02/23/2017 +3 days 🔍
07/18/2018 +510 days 🔍
07/18/2018 +0 days 🔍
07/18/2018 +0 days 🔍
12/21/2024 +2348 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2018
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6074 (🔍)
GCVE (CVE): GCVE-0-2017-6074
GCVE (VulDB): GCVE-100-121575

OVAL: 🔍

SecurityFocus: 96310 - Linux Kernel CVE-2017-6074 Local Denial of Service Vulnerability
SecurityTracker: 1037876

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

Entryinfo

Created: 07/18/2018 10:06
Updated: 12/21/2024 10:37
Changes: 07/18/2018 10:06 (88), 03/05/2020 21:38 (8), 04/09/2023 16:44 (6), 12/21/2024 10:37 (15)
Complete: 🔍
Cache ID: 216:DAA:103