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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.058 (92.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.058 · change: +0.000
Affected products
- Extended Keccak Code Package Project
- PHP
- Pypy
- Pysha3 Project
- Python
- Sha3 Project
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- csrc.nist.gov/projects/hash-functions/sha-3-project (US Government Resource, Third Party Advisory)
- mouha.be/sha-3-buffer-overflow/ (Exploit, Third Party Advisory)
- news.ycombinator.com/item (Third Party Advisory, Issue Tracking)
- github.com/XKCP/XKCP/security/advisories/GHSA-6w4m-2xhg-2658 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/10/msg00041.html (Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00000.html (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5267 (Third Party Advisory)
- www.debian.org/security/2022/dsa-5269 (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
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.