// For flags

CVE-2016-0856

Advantech WebAccess datacore Service datacore.exe AlarmMessage sprintf Stack-Based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.

Múltiples desbordamientos de buffer basado en pila en Advantech WebAccess en versiones anteriores a 8.1 permiten a atacantes remotos ejecutar código arbitrario a través de vectores no especificados.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable instances of Advantech WebAccess. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the implementation of the 0x5228 IOCTL in the Kernel subsystem. A stack-based buffer overflow vulnerability exists in a call to sprintf with the AlarmMessage parameter. An attacker can use this vulnerability to execute arbitrary code in the context of an administrator of the system.

*Credits: Anonymous
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-12-17 CVE Reserved
  • 2016-01-15 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-09-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Advantech
Search vendor "Advantech"
Webaccess
Search vendor "Advantech" for product "Webaccess"
<= 8.0
Search vendor "Advantech" for product "Webaccess" and version " <= 8.0"
-
Affected