VDB-96865 · CVE-2016-8352 · BID 94062

Schneider Electric ConneXium SNMP Login 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.
8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Schneider Electric ConneXium. Affected is an unknown function of the component SNMP Login. This manipulation causes memory corruption. This vulnerability is registered as CVE-2016-8352. Remote exploitation of the attack is possible. No exploit is available. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability was found in Schneider Electric ConneXium (SCADA Software) (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component SNMP Login. 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 Schneider Electric ConneXium firewalls TCSEFEC23F3F20 all versions, TCSEFEC23F3F21 all versions, TCSEFEC23FCF20 all versions, TCSEFEC23FCF21 all versions, and TCSEFEC2CF3F20 all versions. A stack-based buffer overflow can be triggered during the SNMP login authentication process that may allow an attacker to remotely execute code.

The bug was discovered 11/01/2016. The weakness was published 02/13/2017 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2016-8352 since 09/28/2016. 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.

Proper firewalling of udp/161 (snmp) is able to address this issue.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94062†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

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 🔍
09/01/2020 +1295 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2016-8352 (🔍)
GCVE (CVE): GCVE-0-2016-8352
GCVE (VulDB): GCVE-100-96865
SecurityFocus: 94062 - Schneider Electric ConneXium CVE-2016-8352 Remote Buffer Overflow Vulnerability
OSVDB: - CVE-2016-8352 - Schneider Electric - ConneXium - Buffer Overflow Issue

Entryinfo

Created: 02/14/2017 09:08
Updated: 09/01/2020 20:56
Changes: 02/14/2017 09:08 (59), 09/01/2020 20:56 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!