VDB-102084 · CVE-2017-7965 · BID 98449

Schneider Electric SoMachine HVAC 2.1.0 on Modicon AlTracePrint.exe 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.
6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Schneider Electric SoMachine HVAC 2.1.0 on Modicon. This issue affects some unknown processing of the file AlTracePrint.exe. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-7965. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in Schneider Electric SoMachine HVAC 2.1.0 on Modicon (SCADA Software). It has been classified as critical. Affected is an unknown part of the file AlTracePrint.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow vulnerability exists in Programming Software executable AlTracePrint.exe, in Schneider Electric's SoMachine HVAC v2.1.0 for Modicon M171/M172 Controller.

The bug was discovered 05/16/2017. The weakness was shared 06/07/2017 (Website). The advisory is shared for download at schneider-electric.com. This vulnerability is traded as CVE-2017-7965 since 04/19/2017. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98449†). The entry VDB-102085 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.8
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
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: Partially
Local: Yes
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/19/2017 🔍
05/05/2017 +16 days 🔍
05/16/2017 +11 days 🔍
06/07/2017 +22 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
12/26/2020 +1297 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Researcher: Zhou Yu
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7965 (🔍)
GCVE (CVE): GCVE-0-2017-7965
GCVE (VulDB): GCVE-100-102084
SecurityFocus: 98449 - Schneider Electric SoMachine HVAC Local Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 06/08/2017 08:40
Updated: 12/26/2020 13:29
Changes: 06/08/2017 08:40 (60), 10/14/2019 16:16 (4), 12/26/2020 13:29 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!