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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
8
cve-2024-37568
algorithm confusion
asymmetric public keys
hmac verification
security vulnerability
unix

CVSS2

5

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

CVSS3

7.5

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

AI Score

7.3

Confidence

Low

EPSS

0.001

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.)

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchpython-authlib< anyUNKNOWN
ubuntu24.04noarchpython-authlib< anyUNKNOWN

CVSS2

5

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

CVSS3

7.5

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

AI Score

7.3

Confidence

Low

EPSS

0.001

Percentile

45.6%