PT-2020-20687 · S. Siedle & Soehne · Sg 150-0 Smart Gateway

Julian Beier + 3 · Published 2020-05-07 · Updated 2021-07-21 · CVE-2020-9475

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions S. Siedle & Soehne SG 150-0 Smart Gateway versions prior to 1.2.4

Description The issue allows local privilege escalation via a race condition in logrotate. An attacker with access to the network can exploit this to gain root access on the gateway.

Recommendations For versions prior to 1.2.4, update to version 1.2.4 or later to resolve the issue. As a temporary workaround, consider restricting access to the logrotate function until a patch is available.

Exploit

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2020-9475

Affected Products

Sg 150-0 Smart Gateway

References · 3

• 🔥 https://research.hisolutions.com/2020/04/open-the-gates-insecurity-of-cloudless-smart-door-systems · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-9475 · Security Note
• https://osv.dev/vulnerability/CVE-2020-9475 · Vendor Advisory