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zdiSteven Seeley (mr_me) of Offensive SecurityZDI-18-038
HistoryJan 05, 2018 - 12:00 a.m.

Advantech WebAccess webvrpcs drawsrv SQLExecDirect Untrusted Pointer Dereference Remote Code Execution Vulnerability

2018-01-0500:00:00
Steven Seeley (mr_me) of Offensive Security
www.zerodayinitiative.com
5

EPSS

0.003

Percentile

71.8%

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 implementation of the 0x27e4 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this functionality to execute code under the context of Administrator.

EPSS

0.003

Percentile

71.8%

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