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Medium · 4.9 CVE-2021-28207 EUVD-2021-14897GHSA-98hm-w38p-p29q

ASUS BMC's firmware: path traversal - Get Help file function

Published Apr 6, 2021 · Updated Sep 16, 2024 · Assigned by twcert

Vendor: ASUS Product: BMC firmware for ASMB9-iKVM Product: BMC firmware for E700 G4 Product: BMC firmware for ESC4000 DHD G4 Product: BMC firmware for ESC4000 G4 Product: BMC firmware for ESC4000 G4X Product: BMC firmware for ESC8000 G4 Product: BMC firmware for ESC8000 G4/10G Product: BMC firmware for KNPA-U16 Product: BMC firmware for Pro E800 G4 Product: BMC firmware for RS100-E10-PI2 Product: BMC firmware for RS300-E10-PS4 Product: BMC firmware for RS300-E10-RS4 Product: BMC firmware for RS500-E9-PS4 Product: BMC firmware for RS500-E9-RS4 Product: BMC firmware for RS500-E9-RS4-U Product: BMC firmware for RS500A-E10-PS4 Product: BMC firmware for RS500A-E10-RS4 Product: BMC firmware for RS500A-E9-PS4 Product: BMC firmware for RS500A-E9-RS4 Product: BMC firmware for RS520-E9-RS12-E Product: BMC firmware for RS520-E9-RS8 Product: BMC firmware for RS700-E9-RS12 Product: BMC firmware for RS700-E9-RS4 Product: BMC firmware for RS700A-E9-RS12V2 Product: BMC firmware for RS700A-E9-RS4 Product: BMC firmware for RS700A-E9-RS4V2 Product: BMC firmware for RS720-E9-RS12-E Product: BMC firmware for RS720-E9-RS24-U Product: BMC firmware for RS720-E9-RS8-G Product: BMC firmware for RS720A-E9-RS12V2 Product: BMC firmware for RS720A-E9-RS24-E Product: BMC firmware for RS720A-E9-RS24V2 Product: BMC firmware for RS720Q-E9-RS24-S Product: BMC firmware for RS720Q-E9-RS8 Product: BMC firmware for RS720Q-E9-RS8-S Product: BMC firmware for WS C422 PRO/SE Product: BMC firmware for WS C621E SAGE Product: BMC firmware for WS X299 PRO/SE Product: BMC firmware for Z11PA-D8 Product: BMC firmware for Z11PA-D8C Product: BMC firmware for Z11PA-U12 Product: BMC firmware for Z11PA-U12/10G-2S Product: BMC firmware for Z11PR-D16

Description

The specific function in ASUS BMC’s firmware Web management page (Get Help file function) does not filter the specific parameter. As obtaining the administrator permission, remote attackers can use the means of path traversal to access system files.

Affected products

VendorProductAffectedFixed
ASUS BMC firmware for ASMB9-iKVM 1.11.12 —
ASUS BMC firmware for RS720A-E9-RS24-E 1.10.3 —
ASUS BMC firmware for RS700A-E9-RS4 1.10.0 —
ASUS BMC firmware for RS700-E9-RS4 1.09 —
ASUS BMC firmware for ESC4000 G4X 1.11.6 —
ASUS BMC firmware for RS700-E9-RS12 1.11.5 —
ASUS BMC firmware for RS100-E10-PI2 1.13.6 —
ASUS BMC firmware for RS300-E10-PS4 1.13.6 —
ASUS BMC firmware for RS300-E10-RS4 1.13.6 —
ASUS BMC firmware for RS500A-E9-PS4 1.14.1 —
ASUS BMC firmware for RS500A-E9-RS4 1.14.1 —
ASUS BMC firmware for RS500A-E9 RS4 1.14.1 —
ASUS BMC firmware for E700 G4 1.14.1 —
ASUS BMC firmware for WS C422 PRO/SE 1.14.1 —
ASUS BMC firmware for WS X299 PRO/SE 1.14.1 —
ASUS BMC firmware for Z11PA-U12 1.15.1 —
ASUS BMC firmware for Z11PA-U12/10G-2S 1.15.1 —
ASUS BMC firmware for KNPA-U16 1.13.4 —
ASUS BMC firmware for ESC4000 DHD G4 1.13.7 —
ASUS BMC firmware for ESC4000 G4 1.15.2 —
ASUS BMC firmware for RS720Q-E9-RS24-S 1.15.0 —
ASUS BMC firmware for RS720Q-E9-RS8 1.15.0 —
ASUS BMC firmware for RS720Q-E9-RS8-S 1.15.0 —
ASUS BMC firmware for Z11PA-D8 1.14.1 —
ASUS BMC firmware for Z11PA-D8C 1.14.1 —
ASUS BMC firmware for RS720-E9-RS24-U 1.14.3 —
ASUS BMC firmware for RS720-E9-RS8-G 1.15.2 —
ASUS BMC firmware for RS500-E9-PS4 1.15.4 —
ASUS BMC firmware for Pro E800 G4 1.14.2 —
ASUS BMC firmware for RS500-E9-RS4 1.15.4 —
ASUS BMC firmware for RS500-E9-RS4-U 1.15.4 —
ASUS BMC firmware for RS520-E9-RS12-E 1.15.3 —
ASUS BMC firmware for RS520-E9-RS8 1.15.3 —
ASUS BMC firmware for ESC8000 G4 1.15.4 —
ASUS BMC firmware for ESC8000 G4/10G 1.15.4 —
ASUS BMC firmware for RS720-E9-RS12-E 1.15.2 —
ASUS BMC firmware for WS C621E SAGE 1.15.1 —
ASUS BMC firmware for RS500A-E10-PS4 1.15.2 —
ASUS BMC firmware for RS500A-E10-RS4 1.15.2 —
ASUS BMC firmware for RS700A-E9-RS12V2 1.15.1 —
ASUS BMC firmware for RS700A-E9-RS4V2 1.15.1 —
ASUS BMC firmware for RS720A-E9-RS12V2 1.15.2 —
ASUS BMC firmware for RS720A-E9-RS24V2 1.15.1 —
ASUS BMC firmware for Z11PR-D16 1.15.3 —

References