CVE-2024-28102

Summary

JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.

Affected Software

Weaknesses

• CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97
• https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f
• https://www.vicarius.io/vsociety/posts/denial-of-service-vulnerability-discovered-in-jwcrypto-cve-2024-28102-28103
• https://lists.debian.org/debian-lts-announce/2024/09/msg00026.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97
• https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f

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