Vulnerability Details : CVE-2024-41996
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.
Products affected by CVE-2024-41996
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Exploit prediction scoring system (EPSS) score for CVE-2024-41996
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2024-41996
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-08-26 |
CWE ids for CVE-2024-41996
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The product does not validate, or incorrectly validates, a certificate.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2024-41996
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https://gist.github.com/c0r0n3r/abccc14d4d96c0442f3a77fa5ca255d1
Diffie-Hellman public key validation references ยท GitHub
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https://dheatattack.gitlab.io/faq/
Frequently Asked Questions | D(HE)at Attack
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https://dheatattack.gitlab.io/details/
Technical Details | D(HE)at Attack
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