VDB-100964 · CVE-2017-7967 · BID 97124

Schneider Electric VAMPSET up to 2.2 vf2 File memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Schneider Electric VAMPSET up to 2.2. The affected element is an unknown function of the component vf2 File Handler. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2017-7967. An attack has to be approached locally. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Schneider Electric VAMPSET up to 2.2 (SCADA Software). Affected by this issue is an unknown part of the component vf2 File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

All versions of VAMPSET software produced by Schneider Electric, prior to V2.2.189, are susceptible to a memory corruption vulnerability when a corrupted vf2 file is used. This vulnerability causes the software to halt or not start when trying to open the corrupted file. This vulnerability occurs when fill settings are intentionally malformed and is opened in a standalone state, without connection to a protection relay. This attack is not considered to be remotely exploitable. This vulnerability has no effect on the operation of the protection relay to which VAMPSET is connected. As Windows operating system remains operational and VAMPSET responds, it is able to be shut down through its normal closing protocol.

The bug was discovered 02/03/2017. The weakness was shared 05/09/2017 by Kushal Arvind Shah with Fortinet's FortiGuard Labs (Website). The advisory is shared for download at schneider-electric.com. This vulnerability is handled as CVE-2017-7967 since 04/19/2017. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 95 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.2.189 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97124†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VAMPSET 2.2.189

Timelineinfo

02/03/2017 🔍
03/02/2017 +27 days 🔍
04/19/2017 +48 days 🔍
05/09/2017 +20 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
09/24/2020 +1234 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Researcher: Kushal Arvind Shah
Organization: Fortinet's FortiGuard Labs
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7967 (🔍)
GCVE (CVE): GCVE-0-2017-7967
GCVE (VulDB): GCVE-100-100964
SecurityFocus: 97124 - Schneider Electric VAMPSET Local Memory Corruption Vulnerability
OSVDB: - CVE-2017-7967 - Schneider-Electric - Vampset - Low

Entryinfo

Created: 05/09/2017 23:03
Updated: 09/24/2020 18:47
Changes: 05/09/2017 23:03 (61), 09/24/2020 18:47 (7)
Complete: 🔍
Cache ID: 216:F24:103

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