CVE-2021-31884

A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and = V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). The DHCP client application assumes that the data supplied with the “Hostname” DHCP option is NULL terminated. In cases when global hostname variable is not defined, this may lead to Out-of-bound reads, writes, and Denial-of-service conditions. (FSMD-2021-0014)

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf

Configuration 1

cpe:2.3:a:siemens:nucleus_source_code:*:*:*:*:*:*:*:* cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:* cpe:2.3:a:siemens:capital_vstar:*:*:*:*:*:*:*:* cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*

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Published : 2021-11-09 12:15

Updated : 2022-05-20 01:15

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NVD link : CVE-2021-31884

Mitre link : CVE-2021-31884

Apogee Modular Equiment Controller Firmware

Siemens

CWE-170

Improper Null Termination