#VU10113 Null pointer dereference in Siemens products - CVE-2017-11498

Vulnerability identifier: #VU10113

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2017-11498

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
SIMATIC WinCC Add-On SIPAPER IT MIS
SIMATIC WinCC Add-On SICEMENT IT MIS
SIMATIC WinCC Add-On PM-QUALITY
SIMATIC WinCC Add-On PM-OPEN TCP/IP
SIMATIC WinCC Add-On PM-OPEN PV02
SIMATIC WinCC Add-On PM-OPEN PI
SIMATIC WinCC Add-On PM-OPEN IMPORT
SIMATIC WinCC Add-On PM-OPEN HOST-S
SIMATIC WinCC Add-On PM-OPEN EXPORT
SIMATIC WinCC Add-On PM-MAINT
SIMATIC WinCC Add-On PM-CONTROL
SIMATIC WinCC Add-On PM-ANALYZE
SIMATIC WinCC Add-On PM-AGENT
SIMATIC WinCC Add-On PI CONNECT AUDIT TRAIL
SIMATIC WinCC Add-On PI CONNECT ALARM
SIMATIC WinCC Add-On Historian CONNECT ALARM

Software vendor:
Siemens

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can send language pack (ZIP file) with invalid HTML files, trigger NULL pointer dereference and cause the service to crash.

Install update from vendor's website.

• https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-127490.pdf