Integer overflow in Siemens products - CVE-2020-13988

Vulnerability identifier: #VU48916

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-13988

CWE-ID: CWE-190

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

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

The vulnerability exists due to integer overflow. A remote attacker on the local network can send a specially crafted IP packet, trigger integer overflow and cause a denial of service on the target system.

SENTRON PAC3200
SENTRON PAC4200
Dell EMC Unity XT Operating Environment (OE)
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
SIRIUS 3RW5 communication module Modbus TCP
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE CaaS Platform
SUSE Enterprise Storage
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Legacy Software
Ubuntu
open-iscsi (Ubuntu package)
iscsiuio
iscsiuio-debuginfo
libopeniscsiusr0_2_0
libopeniscsiusr0_2_0-debuginfo
open-iscsi
open-iscsi-debuginfo
open-iscsi-debugsource
open-iscsi-devel

Install updates from vendor's website.

SENTRON PAC3200 - update to 2.4.5
SENTRON PAC4200 - update to 2.0.1
open-iscsi (Ubuntu package) - addressed in versions Ubuntu Pro, 2.0.874-7.1ubuntu6.4
iscsiuio - addressed in versions 0.7.8.2-12.27.2, 0.7.8.2-13.42.1, 0.7.8.2-53.34.1
iscsiuio-debuginfo - addressed in versions 0.7.8.2-12.27.2, 0.7.8.2-13.42.1, 0.7.8.2-53.34.1
libopeniscsiusr0_2_0 - addressed in versions 2.0.876-12.27.2, 2.0.876-13.42.1, 2.0.876-53.34.1
libopeniscsiusr0_2_0-debuginfo - addressed in versions 2.0.876-12.27.2, 2.0.876-13.42.1, 2.0.876-53.34.1
open-iscsi - addressed in versions 2.0.876-12.27.2, 2.0.876-13.42.1, 2.0.876-53.34.1
open-iscsi-debuginfo - addressed in versions 2.0.876-12.27.2, 2.0.876-13.42.1, 2.0.876-53.34.1
open-iscsi-debugsource - addressed in versions 2.0.876-12.27.2, 2.0.876-13.42.1, 2.0.876-53.34.1
open-iscsi-devel - update to 2.0.876-13.42.1
Dell EMC Unity XT Operating Environment (OE) - update to 5.1.2.0.5.007
Dell EMC Unity Operating Environment (OE) - update to 5.1.2.0.5.007
Dell EMC Unity VSA Operating Environment (OE) - update to 5.1.2.0.5.007

• https://ics-cert.us-cert.gov/advisories/icsa-20-343-05

• Denial of service in Siemens SENTRON PAC3200, SENTRON PAC4200 and SIRIUS 3RW5
• Multiple vulnerabilities in Dell EMC Unity
• SUSE update for open-iscsi
• SUSE update for open-iscsi
• SUSE update for open-iscsi
• Ubuntu update for open-iscsi