Vulnerability Details : CVE-2017-14016
Public exploit exists!
A Stack-based Buffer Overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. The application lacks proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.
Vulnerability category: OverflowExecute code
Products affected by CVE-2017-14016
- cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-14016
17.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
Metasploit modules for CVE-2017-14016
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Advantech WebAccess Webvrpcs Service Opcode 80061 Stack Buffer Overflow
Disclosure Date: 2017-11-02First seen: 2020-04-26exploit/windows/scada/advantech_webaccess_webvrpcs_bofThis module exploits a stack buffer overflow in Advantech WebAccess 8.2. By sending a specially crafted DCERPC request, an attacker could overflow the buffer and execute arbitrary code. Authors: - mr_me <mr_me@offensive-security.com>
CVSS scores for CVE-2017-14016
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
6.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
2.8
|
3.4
|
NIST |
CWE ids for CVE-2017-14016
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
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A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: ics-cert@hq.dhs.gov (Secondary)
References for CVE-2017-14016
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https://ics-cert.us-cert.gov/advisories/ICSA-17-306-02
Advantech WebAccess | CISAUS Government Resource;Third Party Advisory
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http://www.securityfocus.com/bid/101685
Advantech WebAccess Multiple Remote Code Execution VulnerabilitiesThird Party Advisory;VDB Entry
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https://www.exploit-db.com/exploits/43340/
Advantech WebAccess 8.2-2017.03.31 - Webvrpcs Service Opcode 80061 Stack Buffer Overflow (Metasploit)
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