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ubuntucveUbuntu.comUB:CVE-2024-37568
HistoryJun 09, 2024 - 12:00 a.m.

CVE-2024-37568

2024-06-0900:00:00
ubuntu.com
ubuntu.com
2
cve-2024-37568
algorithm confusion
asymmetric public keys
hmac verification
security vulnerability
unix

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.3 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

45.6%

lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public
keys. Unless an algorithm is specified in a jwt.decode call, HMAC
verification is allowed with any asymmetric public key. (This is similar to
CVE-2022-29217 and CVE-2024-33663.)

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.3 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

45.6%