SB2019071208 - Input validation error in Siemens DIGSI 5



SB2019071208 - Input validation error in Siemens DIGSI 5

Published: July 12, 2019 Updated: July 15, 2019

Security Bulletin ID SB2019071208
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2019-10930)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can use specially crafted packets sent to Port 443/TCP to upload, download, or delete files in certain parts of the file system.

The vulnerability affects SIPROTEC 5 with CPU variants CP300 and CP100 and the respective Ethernet communication modules listed below:

  • 6MD85
  • 6MD86
  • 6MD89
  • 7UM85
  • 7SA87
  • 7SD87
  • 7SL87
  • 7VK87
  • 7SA82
  • 7SA86
  • 7SD82
  • 7SD86
  • 7SL82
  • 7SL86
  • 7SJ86
  • 7SK82
  • 7SK85
  • 7SJ82
  • 7SJ85
  • 7UT82
  • 7UT85
  • 7UT86
  • 7UT87
  • 7VE85

Remediation

Install update from vendor's website.