Buffer Overflow vulnerability in Advantech WebAccess

Overview :

In WebAccess versions 8.4.1 and prior, multiple stack based buffer overflow vulnerabilities are detected by a lack of proper validation of the length of user given data. Exploitation of these vulnerabilities will allow remote code execution.

Affected Product(s) :

WebAccess versions 8.4.1

Vulnerability Details :
Code Injection, Command Injection, Stack-based Buffer Overflow, Improper Authorization

CVE ID :	CVE-2019-13558
	A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
	An exploit executed over the network may cause improper control of generation of code, which may allow remote code execution, data exfiltration, or cause a system crash.
CVE ID :	CVE-2019-13556
	A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
	Multiple stack-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution.
CVE ID :	CVE-2019-13552
	A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
	Multiple command injection vulnerabilities are caused by a lack of proper validation of user-supplied data and may allow arbitrary file deletion and remote code execution.
CVE ID :	CVE-2019-13550
	A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
	An improper authorization vulnerability may allow an attacker to disclose sensitive information, cause improper control of generation of code, which may allow remote code execution or cause a system crash.

Solution : Advantech has released Version 8.4.2 of WebAccessNode to address the reported vulnerabilities. Users can download the latest version of WebAccessNode.

Buffer Overflow vulnerability in Advantech WebAccess

Common Vulnerabilityies and Exposures

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