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5.3
CVSSv3

CVE-2020-17470

Published: 11/12/2020 Updated: 12/10/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.3 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

An issue exists in FNET up to and including 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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Vendor Advisories

Brocade Security Advisories: Access Denied Access Denied
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References

CWE-330https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01http://fnet.sourceforge.net/manual/fnet_history.htmlhttps://www.kb.cert.org/vuls/id/815128https://nvd.nist.govhttps://support.broadcom.com/external/content/SecurityAdvisories/0/21596
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4946CVE-2024-30309CVE-2024-4761CVE-2024-30051type confusionmemory leakCVE-2024-30293reflected XSSCVE-2024-3126
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