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ID

VAR-201801-1868


TITLE

Advantech WebAccess picfile File Upload Remote Code Execution Vulnerability

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sources: ZDI: ZDI-18-055

DESCRIPTION

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess. Authentication is not required to exploit this vulnerability.The specific flaw exists within the picfile parameter in gmicons.asp. The issue results from the lack of proper validation of user-supplied data, which can allow for the upload of any file. An attacker can leverage this vulnerability to execute code in the context of the the web service.

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sources: ZDI: ZDI-18-055

AFFECTED PRODUCTS

vendor:advantechmodel:webaccessscope: - version: -

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sources: ZDI: ZDI-18-055

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: ZDI-18-055
value: HIGH

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ZDI: ZDI-18-055
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

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sources: ZDI: ZDI-18-055

PATCH

title:Advantech has issued an update to correct this vulnerability.url:https://ics-cert.us-cert.gov/advisories/icsa-18-004-02

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sources: ZDI: ZDI-18-055

EXTERNAL IDS

db:ZDI_CANid:ZDI-CAN-5057

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db:ZDIid:ZDI-18-055

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sources: ZDI: ZDI-18-055

REFERENCES

url:https://ics-cert.us-cert.gov/advisories/icsa-18-004-02

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sources: ZDI: ZDI-18-055

CREDITS

Zhou Yu

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sources: ZDI: ZDI-18-055

SOURCES

db:ZDIid:ZDI-18-055

LAST UPDATE DATE

2022-05-17T01:36:20.977000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-18-055date:2018-01-05T00:00:00

SOURCES RELEASE DATE

db:ZDIid:ZDI-18-055date:2018-01-05T00:00:00