MS-RPC: Advantech WebAccess SCADA bwnodeip Stack-based Buffer Overflow
This signature detects attempts to exploit a known vulnerability in the webvrpcs service of Advantech WebAccess. The vulnerability is due to a lack of boundary checks while copying user-supplied data into a stack-based buffer within BwNodeIP.exe. A remote, unauthenticated attacker could exploit this vulnerability by sending a maliciously crafted RPC request to the target server. Successful exploitation could lead to arbitrary code execution under context of Administrator.
Extended Description
Advantech WebAccess 8.3.1 and earlier has several stack-based buffer overflow vulnerabilities that have been identified, which may allow an attacker to execute arbitrary code.
Affected Products
Advantech webaccess
References
CVE: CVE-2018-14816
Short Name
MS-RPC:OF:ADVANTECH-WEB-SCADA
Severity
Major
Recommended
True
Recommended Action
Drop
Category
MS-RPC
Keywords
Advantech Buffer CVE-2018-14816 Overflow SCADA Stack-based WebAccess bwnodeip
Release Date
01/16/2019
Supported Platforms
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vsrx-19.2
srx-19.3
srx-branch-12.3
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx-12.3
vmx-19.3
srx-12.3
Sigpack Version
3375
False Positive
Unknown
Vendors
Advantech
CVSS Score
7.5