PT-2020-19642 · Siemens · Logo! 8 Bm

Published 2020-07-14 · Updated 2020-07-22 · CVE-2020-7593

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions LOGO! 8 BM (incl. SIPLUS variants) versions V1.81.01 through V1.81.03 LOGO! 8 BM (incl. SIPLUS variants) version V1.82.01 LOGO! 8 BM (incl. SIPLUS variants) version V1.82.02

Description A buffer overflow issue exists in the Web Server functionality, allowing a remote unauthenticated attacker to send a specially crafted HTTP request to cause memory corruption, potentially resulting in remote code execution.

Recommendations For versions V1.81.01 through V1.81.03, consider disabling the Web Server functionality until a patch is available. For version V1.82.01, consider disabling the Web Server functionality until a patch is available. For version V1.82.02, consider disabling the Web Server functionality until a patch is available. As a temporary workaround, restrict access to the Web Server to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-7593

Affected Products

Logo! 8 Bm

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1069 · Exploit
• https://cert-portal.siemens.com/productcert/pdf/ssa-573753.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-7593 · Security Note
• https://osv.dev/vulnerability/CVE-2020-7593 · Vendor Advisory