CWE-617

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              "value": "\u003cp\u003eThe OSPFv3 authentication feature helps to mitigate this vulnerability. OSPFv3 authentication prevents unauthorized actors from injecting crafted packets into the OSPF domain. Enabling it on all OSPFv3-speaking interfaces ensures that packets from unauthenticated senders are discarded before they can trigger this vulnerability.\u003c/p\u003e\u003cp\u003ePer-interface OSPFv3 encryption:\u003c/p\u003e\u003cp\u003eConfigure ESP-based encryption with authentication on each OSPFv3 interface. All peers on the same interface must use the same SPI, algorithm, and passphrase.\u003c/p\u003e\u003cpre\u003eswitch(config)# interface \u0026lt;interface-name\u0026gt;\nswitch(config-if)# ospfv3 encryption ipsec spi \u0026lt;spi-value\u0026gt; esp aes-256-cbc sha1 passphrase \u0026lt;shared-passphrase\u0026gt;\u003c/pre\u003e\u003cp\u003ePer-area OSPFv3 configuration:\u003c/p\u003e\u003cp\u003eConfigure ESP-based encryption with authentication on each OSPFv3 area.\u003c/p\u003e\u003cpre\u003eswitch(config)# router ospfv3\nswitch(config-router-ospfv3)# address-family ipv4\nswitch(config-router-ospfv3-af)# area \u0026lt;area-id\u0026gt; encryption ipsec spi \u0026lt;spi-value\u0026gt; esp aes-256-cbc sha1 passphrase \u0026lt;shared-passphrase\u0026gt;\nswitch(config-router-ospfv3-af)# address-family ipv6\nswitch(config-router-ospfv3-af)# area \u0026lt;area-id\u0026gt; encryption ipsec spi \u0026lt;spi-value\u0026gt; esp aes-256-cbc sha1 passphrase \u0026lt;shared-passphrase\u0026gt;\u003c/pre\u003e\u003cp\u003eCaution: Enabling OSPFv3 authentication must be coordinated across peering neighbors simultaneously. Applying this configuration to a single peer will temporarily break the routing adjacency, resulting in traffic disruption.\u003c/p\u003e"
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