CVE-2024-33664

python-jose through 3.3.0 allows attackers to cause a denial of service (resource consumption) during a decode via a crafted JSON Web Encryption (JWE) token with a high compression ratio, aka a "JWT bomb." This is similar to CVE-2024-21319.

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS

0.78% chance of exploitation in the next 30 days, 54th percentile

Published

2024-04-25

Updated

2024-09-05

Proof-of-concept exploits (2)

• mpdavis/python-jose/issues/344
• https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664

References

• CVE Record
• NVD entry

Related

• CVE-2024-33663
• CVE-2024-33669
• CVE-2024-3366
• CVE-2024-3368
• CVE-2024-3365
• CVE-2024-3369