PYSEC-2024-52

vendorUSosv
view advisory published 2024-06-09Licence: CC-BY-4.0

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.)

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-37568UShigh7.5OT elevated—
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 asymm…
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references

External citations — patches, advisories, analysis.

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