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F5 Networks: CVE-2024-41996: K000148343: Diffie-Hellman key exchange protocol vulnerability CVE-2024-41996

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F5 Networks: CVE-2024-41996: K000148343: Diffie-Hellman key exchange protocol vulnerability CVE-2024-41996

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/26/2024
Created
11/12/2024
Added
11/11/2024
Modified
12/06/2024

Description

Validating the order of the public keys in the Diffie-Hellman Key Agreement Protocol, when an approved safe prime is used, allows remote attackers (from the client side) to trigger unnecessarily expensive server-side DHE modular-exponentiation calculations. The client may cause asymmetric resource consumption. The basic attack scenario is that the client must claim that it can only communicate with DHE, and the server must be configured to allow DHE and validate the order of the public key.

Solution(s)

  • f5-big-ip-upgrade-latest

References

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