| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| communications cloud native core network function cloud native environment | = 1.9.0 | |
| dnsmasq | < 2.85 | 2.85 |
A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmasq, only needs to guess the random transmission ID to forge a reply and get it accepted by dnsmasq. This flaw makes a DNS Cache Poisoning attack much easier. The highest threat from this vulnerability is to data integrity.
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