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6.5 Medium

CVE-2020-27737 A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2…

Description

A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.3), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (Versions including affected DNS modules), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS response parsing functionality does not properly validate various length and counts of the records. The parsing of malformed responses could result in a read past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to cause a denial-of-service condition or leak the memory past the allocated structure.

Affected products and versions

Product Affected versions Fixed in
APOGEE PXC Compact (BACnet) Versions not published
APOGEE PXC Compact (P2 Ethernet) Versions not published
APOGEE PXC Modular (BACnet) Versions not published
APOGEE PXC Modular (P2 Ethernet) Versions not published
Nucleus NET Versions not published
Nucleus ReadyStart V3 Versions not published
Nucleus ReadyStart V4 Versions not published
Nucleus Source Code Versions not published
SIMOTICS CONNECT 400 Versions not published
Show the 2 other branches
Product Affected versions Fixed in
TALON TC Compact (BACnet) Versions not published
TALON TC Modular (BACnet) Versions not published

References

Timeline

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