IBHsoftec S7-SoftPLC up to 4.x memory corruption

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in IBHsoftec S7-SoftPLC up to 4.x. Affected by this vulnerability is an unknown functionality. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2016-8364. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in IBHsoftec S7-SoftPLC up to 4.x. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in IBHsoftec S7-SoftPLC prior to 4.12b. Object memory can read a network packet that is larger than the space that is available, a Heap-based Buffer Overflow.

The bug was discovered 11/01/2016. The weakness was disclosed 02/13/2017 by Ariele Caltabiano with Trend Micro (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2016-8364 since 09/28/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 104 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.12b eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94054†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• IBHsoftec

Name

• S7-SoftPLC

Version

• 4.x

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: S7-SoftPLC 4.12b

Timelineinfo

09/28/2016 🔍
11/01/2016 +34 days 🔍
11/01/2016 +0 days 🔍
02/13/2017 +104 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
09/02/2020 +1296 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Ariele Caltabiano
Organization: Trend Micro
Status: Not defined

CVE: CVE-2016-8364 (🔍)
GCVE (CVE): GCVE-0-2016-8364
GCVE (VulDB): GCVE-100-96877
SecurityFocus: 94054 - IBHsoftec S7-SoftPLC CVE-2016-8364 Remote Heap Based Buffer Overflow Vulnerability
OSVDB: - CVE-2016-8364 - IBHsoftec - S7-SoftPLC - Buffer Overflow Issue

Entryinfo

Created: 02/14/2017 09:10
Updated: 09/02/2020 07:31
Changes: 02/14/2017 09:10 (58), 09/02/2020 07:31 (7)
Complete: 🔍
Cache ID: 216:B14:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

Do you need the next level of professionalism?

Upgrade your account now!