Siemens SITOP UPS1600 Out-of-bounds Write (CVE-2023-26554)

medium Tenable OT Security Plugin ID 502320

Synopsis

The remote OT asset is affected by a vulnerability.

Description

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Siemens has released new versions for the affected products and recommends to update to the latest versions.

Plugin Details

Severity: Medium

ID: 502320

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 7/22/2024

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS Score Source: CVE-2023-26554

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: cpe:/o:siemens:sitop_ups1600_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2024

Vulnerability Publication Date: 6/11/2024

Reference Information

CVE: CVE-2023-26554

CWE: 787

ICSA: 24-165-05

Detections

Analytics