Security Advisory

CVE-2020-17470

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-12-11 22:40:55

Last updated 2024-08-04 13:53:17

Assigner mitre

State PUBLISHED

Description

An issue was discovered in FNET through 4.6.4. The code that initializes the DNS client interface structure does not set sufficiently random transaction IDs (they are always set to 1 in _fnet_dns_poll in fnet_dns.c). This significantly simplifies DNS cache poisoning attacks.

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