Integer overflow in Extended Keccak Code Package Project

CVE-2022-37454

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

Vulnerability class: Integer Overflow

EPSS: 0.052 (91.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-37454?
CVE-2022-37454 is a critical-severity vulnerability in Extended Keccak Code Package Project, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2022-10-21.
How severe is CVE-2022-37454?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-37454 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.