eXtended Keccak Code Package Hash Update buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in eXtended Keccak Code Package. The impacted element is an unknown function of the component Hash Update Handler. This manipulation causes buffer overflow. This vulnerability appears as CVE-2022-37454. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in eXtended Keccak Code Package (affected version unknown). Affected by this vulnerability is an unknown functionality of the component Hash Update Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/21/2022 by Nicky Mouha as SHA-3 Buffer Overflow. The advisory is shared at mouha.be. This vulnerability is known as CVE-2022-37454. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/04/2026).

The vulnerability scanner Nessus provides a plugin with the ID 211307 (Fedora 38 : python3.6 (2022-17bc21cf38)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (211307), EUVD (EUVD-2023-1219) and CERT Bund (WID-SEC-2022-1816). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Open Source Python
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Open Source Ruby
  • Fedora Linux
  • Open Source PHP
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • NetApp ActiveIQ Unified Manager
  • RESF Rocky Linux

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211307
Nessus Name: Fedora 38 : python3.6 (2022-17bc21cf38)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2022 🔍
10/21/2022 +75 days 🔍
10/21/2022 +0 days 🔍
01/04/2026 +1171 days 🔍

Sourcesinfo

Advisory: SHA-3 Buffer Overflow
Researcher: Nicky Mouha
Status: Not defined

CVE: CVE-2022-37454 (🔍)
GCVE (CVE): GCVE-0-2022-37454
GCVE (VulDB): GCVE-100-211933
EUVD: 🔍
CERT Bund: WID-SEC-2022-1816 - SHA-3 Implementierungen: Schwachstelle ermöglicht Codeausführung

Entryinfo

Created: 10/21/2022 12:24
Updated: 01/04/2026 03:49
Changes: 10/21/2022 12:24 (36), 11/19/2022 08:12 (2), 11/19/2022 08:14 (11), 11/15/2024 16:24 (16), 05/08/2025 20:03 (1), 07/06/2025 22:58 (1), 01/04/2026 03:49 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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