Siemens SIPROTEC 5 < V7.9 and DIGSI 5 < V7.9 Improper Input Validation (ICSA-19-190-05)

Medium Nessus Network Monitor Plugin ID 720310

Synopsis

A remotely exploitable Improper Input Validation vulnerability has been identified in SIPROTEC 5 &lt; V7.9 and DIGSI 5 &lt; V7.9.

Description

A remote attacker could use specially crafted packets sent to Port 443/TCP to upload, download, or delete files in certain parts of the file system. Other specially crafted packets sent to Port 443/TCP could cause a denial-of-service condition.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://www.us-cert.gov/ics/advisories/icsa-19-190-05

Plugin Details

Severity: Medium

ID: 720310

Family: SCADA

Published: 2019/10/28

Updated: 2019/10/28

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 2019/10/09

Vulnerability Publication Date: 2019/07/11

Reference Information

CVE: CVE-2019-10930