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ID

VAR-201609-0598


TITLE

Tencent T-920 Model PLC IP Fragment Denial of Service Vulnerability

Trust: 0.6

sources: CNVD: CNVD-2016-07659

DESCRIPTION

T920 is an integrated industrial high-performance programmable controller launched by Tengkong Technology. There is a denial of service vulnerability in the IP fragmentation syntax of the T-920 T-920 PLC. By testing its fragment reassembly ability, an attacker can send data frames filled with a large amount of malformed data to the target device, which can cause the system's buffer to overflow and cause the device to go down

Trust: 0.72

sources: CNVD: CNVD-2016-07659 // IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19

IOT TAXONOMY

category:['ICS', 'Network device']sub_category: -

Trust: 0.6

category:['ICS']sub_category: -

Trust: 0.2

sources: IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19 // CNVD: CNVD-2016-07659

AFFECTED PRODUCTS

vendor:tengkongmodel:t-920 plcscope: - version: -

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vendor:tengkongmodel:t-920 plcscope:eqversion:*

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sources: IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19 // CNVD: CNVD-2016-07659

CVSS

SEVERITY

CVSSV2

CVSSV3

CNVD: CNVD-2016-07659
value: HIGH

Trust: 0.6

IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19
value: HIGH

Trust: 0.2

CNVD: CNVD-2016-07659
severity: HIGH
baseScore: 7.1
vectorString: AV:N/AC:M/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19
severity: HIGH
baseScore: 7.1
vectorString: AV:N/AC:M/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.9 [IVD]

Trust: 0.2

sources: IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19 // CNVD: CNVD-2016-07659

TYPE

Denial of service

Trust: 0.2

sources: IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19

EXTERNAL IDS

db:CNVDid:CNVD-2016-07659

Trust: 0.8

db:IVDid:1D7D5D2E-B20C-4BD8-B7A1-82C8C10FFA19

Trust: 0.2

sources: IVD: 1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19 // CNVD: CNVD-2016-07659

SOURCES

db:IVDid:1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19
db:CNVDid:CNVD-2016-07659

LAST UPDATE DATE

2022-05-17T01:46:26.924000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2016-07659date:2016-12-23T00:00:00

SOURCES RELEASE DATE

db:IVDid:1d7d5d2e-b20c-4bd8-b7a1-82c8c10ffa19date:2016-09-19T00:00:00
db:CNVDid:CNVD-2016-07659date:2016-10-31T00:00:00