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ID

VAR-201610-0192


CVE

CVE-2016-7959


TITLE

Siemens SIMATIC STEP 7 Vulnerability where important information is obtained

Trust: 0.8

sources: JVNDB: JVNDB-2016-005412

DESCRIPTION

Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by leveraging access to a file and conducting a brute-force attack. Supplementary information : CWE Vulnerability types by CWE-254: Security Features ( Security features ) Has been identified. http://cwe.mitre.org/data/definitions/254.htmlLocal users can use file access to brute force (brute-force) Performing an attack could yield important information. Siemens SIMATIC is an automation software in a single engineering environment. An information disclosure vulnerability exists in Siemens SIMATIC STEP 7 V12 and V13. SIMATIC STEP 7 (TIA Portal) is prone to mutliple local information-disclosure vulnerabilities. Attackers can exploit these issues to obtain sensitive information that may aid in launching further attacks. All versions of SIMATIC STEP 7 (TIA Portal) v14 are affected. Siemens SIMATIC STEP 7 (TIA Portal) is a set of programming software for SIMATIC controllers from Siemens, Germany. The software provides PLC programming, design option packages, advanced drive technology and more

Trust: 2.7

sources: NVD: CVE-2016-7959 // JVNDB: JVNDB-2016-005412 // CNVD: CNVD-2016-08768 // BID: 93551 // IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5 // VULHUB: VHN-96779

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.8

sources: IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5 // CNVD: CNVD-2016-08768

AFFECTED PRODUCTS

vendor:siemensmodel:simatic step 7scope:lteversion:13.010

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vendor:siemensmodel:simatic step 7scope:ltversion:(tia portal ) 14

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vendor:siemensmodel:simatic stepscope:eqversion:7<v14

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vendor:siemensmodel:simatic step 7scope:eqversion:13.010

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vendor:siemensmodel:simatic step tia portalscope:eqversion:7v13

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vendor:siemensmodel:simatic step tia portalscope:eqversion:7v12

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vendor:siemensmodel:simatic step tia portalscope:neversion:7v14

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vendor:simatic step 7model: - scope:eqversion:*

Trust: 0.2

sources: IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5 // CNVD: CNVD-2016-08768 // BID: 93551 // JVNDB: JVNDB-2016-005412 // CNNVD: CNNVD-201610-425 // NVD: CVE-2016-7959

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2016-7959
value: MEDIUM

Trust: 1.0

NVD: CVE-2016-7959
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2016-08768
value: LOW

Trust: 0.6

CNNVD: CNNVD-201610-425
value: LOW

Trust: 0.6

IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5
value: LOW

Trust: 0.2

VULHUB: VHN-96779
value: LOW

Trust: 0.1

nvd@nist.gov: CVE-2016-7959
severity: LOW
baseScore: 1.9
vectorString: AV:L/AC:M/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.4
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2016-08768
severity: LOW
baseScore: 1.0
vectorString: AV:L/AC:H/AU:S/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: HIGH
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 1.5
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5
severity: LOW
baseScore: 1.0
vectorString: AV:L/AC:H/AU:S/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: HIGH
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 1.5
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.9 [IVD]

Trust: 0.2

VULHUB: VHN-96779
severity: LOW
baseScore: 1.9
vectorString: AV:L/AC:M/AU:N/C:P/I:N/A:N
accessVector: LOCAL
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.4
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2016-7959
baseSeverity: MEDIUM
baseScore: 4.7
vectorString: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
attackVector: LOCAL
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 1.0
impactScore: 3.6
version: 3.0

Trust: 1.8

sources: IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5 // CNVD: CNVD-2016-08768 // VULHUB: VHN-96779 // JVNDB: JVNDB-2016-005412 // CNNVD: CNNVD-201610-425 // NVD: CVE-2016-7959

PROBLEMTYPE DATA

problemtype:CWE-254

Trust: 1.1

problemtype:CWE-Other

Trust: 0.8

sources: VULHUB: VHN-96779 // JVNDB: JVNDB-2016-005412 // NVD: CVE-2016-7959

THREAT TYPE

local

Trust: 0.9

sources: BID: 93551 // CNNVD: CNNVD-201610-425

TYPE

lack of information

Trust: 0.6

sources: CNNVD: CNNVD-201610-425

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2016-005412

PATCH
title:SSA-869766url:http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
Trust: 0.8
title:Siemens SIMATIC STEP 7 has a patch for information disclosure vulnerabilitiesurl:https://www.cnvd.org.cn/patchInfo/show/82253
Trust: 0.6
title:Siemens SIMATIC STEP 7 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=64801
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2016-08768 // 
            
            
            
            JVNDB: JVNDB-2016-005412 // 
            
            
            
            CNNVD: CNNVD-201610-425

EXTERNAL IDS
db:NVDid:CVE-2016-7959
Trust: 3.6
db:SIEMENSid:SSA-869766
Trust: 2.6
db:ICS CERTid:ICSA-16-287-03
Trust: 2.2
db:BIDid:93551
Trust: 1.4
db:CNNVDid:CNNVD-201610-425
Trust: 0.9
db:CNVDid:CNVD-2016-08768
Trust: 0.8
db:JVNDBid:JVNDB-2016-005412
Trust: 0.8
db:IVDid:AB170856-B4B2-4CD9-9F65-82CA0AE50CA5
Trust: 0.2
db:VULHUBid:VHN-96779
Trust: 0.1
sources:
            
            
            IVD: ab170856-b4b2-4cd9-9f65-82ca0ae50ca5 // 
            
            
            
            CNVD: CNVD-2016-08768 // 
            
            
            
            VULHUB: VHN-96779 // 
            
            
            
            BID: 93551 // 
            
            
            
            JVNDB: JVNDB-2016-005412 // 
            
            
            
            CNNVD: CNNVD-201610-425 // 
            
            
            
            NVD: CVE-2016-7959

REFERENCES
url:http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
Trust: 2.6
url:https://ics-cert.us-cert.gov/advisories/icsa-16-287-03
Trust: 2.2
url:http://www.securityfocus.com/bid/93551
Trust: 1.1
url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2016-7959
Trust: 0.8
url:http://web.nvd.nist.gov/view/vuln/detail?vulnid=cve-2016-7959
Trust: 0.8
url:http://subscriber.communications.siemens.com/
Trust: 0.3
sources:
            
            
            CNVD: CNVD-2016-08768 // 
            
            
            
            VULHUB: VHN-96779 // 
            
            
            
            BID: 93551 // 
            
            
            
            JVNDB: JVNDB-2016-005412 // 
            
            
            
            CNNVD: CNNVD-201610-425 // 
            
            
            
            NVD: CVE-2016-7959

CREDITS
Dmitry Sklyarov and Gleb Gritsai from Positive Technologies.
Trust: 0.3
sources:
            
            
            BID: 93551

SOURCES
db:IVDid:ab170856-b4b2-4cd9-9f65-82ca0ae50ca5
db:CNVDid:CNVD-2016-08768
db:VULHUBid:VHN-96779
db:BIDid:93551
db:JVNDBid:JVNDB-2016-005412
db:CNNVDid:CNNVD-201610-425
db:NVDid:CVE-2016-7959

LAST UPDATE DATE
2024-11-23T22:01:23.505000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2016-08768date:2016-10-13T00:00:00
db:VULHUBid:VHN-96779date:2016-12-22T00:00:00
db:BIDid:93551date:2016-10-26T02:07:00
db:JVNDBid:JVNDB-2016-005412date:2016-10-20T00:00:00
db:CNNVDid:CNNVD-201610-425date:2016-10-14T00:00:00
db:NVDid:CVE-2016-7959date:2024-11-21T02:58:47.483

SOURCES RELEASE DATE
db:IVDid:ab170856-b4b2-4cd9-9f65-82ca0ae50ca5date:2016-10-13T00:00:00
db:CNVDid:CNVD-2016-08768date:2016-10-13T00:00:00
db:VULHUBid:VHN-96779date:2016-10-13T00:00:00
db:BIDid:93551date:2016-10-13T00:00:00
db:JVNDBid:JVNDB-2016-005412date:2016-10-20T00:00:00
db:CNNVDid:CNNVD-201610-425date:2016-10-14T00:00:00
db:NVDid:CVE-2016-7959date:2016-10-13T10:59:00.143