Resource exhaustion in Lestrrat-Go Jwx

CVE-2024-28122

JWX is Go module implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies. This vulnerability allows an attacker with a trusted public key to cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. This issue has been patched in versions 1.2.29 and 2.0.21.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.006 (43.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-28122?
CVE-2024-28122 is a medium-severity vulnerability in Lestrrat-Go Jwx, classified under Uncontrolled Resource Consumption. CVSS score: 6.8/10. Published 2024-03-09.
How severe is CVE-2024-28122?
Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2024-28122 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.