PT-2019-2668 · Siemens · Logo! 8

Published 2019-06-11 · Updated 2020-09-29 · CVE-2019-6571

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions SIEMENS LOGO!8 versions 6ED1052-xyyxx-0BA8 FS:01 through FS:06 / Firmware version V1.80.xx through V1.81.xx SIEMENS LOGO!8 version 6ED1052-xyy08-0BA0 FS:01 / Firmware version prior to V1.82.02

Description A security issue has been identified that could allow an unauthenticated attacker with network access to cause a Denial-of-Service condition by sending specially crafted packets to port 10005/tcp of the LOGO! device. No user interaction is required to exploit this issue, and successful exploitation compromises the availability of the targeted system. The issue is related to improper access control. At the time of advisory publication, no public exploitation of this issue was known.

Recommendations For SIEMENS LOGO!8 versions 6ED1052-xyyxx-0BA8 FS:01 through FS:06 / Firmware version V1.80.xx through V1.81.xx, update to a version with a firmware version of V1.82.02 or later. For SIEMENS LOGO!8 version 6ED1052-xyy08-0BA0 FS:01 / Firmware version prior to V1.82.02, update to a version with a firmware version of V1.82.02 or later. As a temporary workaround, consider restricting access to port 10005/tcp to minimize the risk of exploitation.

Fix

Improper Access Control

Buffer Overflow

Weakness Enumeration

CWE-284

CWE-119

Related Identifiers

BDU:2019-02555

BDU:2019-02556

CVE-2019-6571

Affected Products

Logo! 8

References · 5

• https://cert-portal.siemens.com/productcert/pdf/ssa-774850.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02555 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-6571 · Security Note
• https://bdu.fstec.ru/vul/2019-02556 · Security Note
• https://osv.dev/vulnerability/CVE-2019-6571 · Vendor Advisory