CWE-323

Reusing a Nonce, Key Pair in Encryption

Nonces should be used for the present occasion and only once.

CVE-2023-28997 (GCVE-0-2023-28997)
Vulnerability from cvelistv5
Published
2023-04-04 12:42
Modified
2025-11-03 18:08
Severity ?
6.7 (Medium) - CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
CWE
  • CWE-323 - Reusing a Nonce, Key Pair in Encryption
Summary
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: >= 3.0.0, < 3.6.5
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CVE-2023-7003 (GCVE-0-2023-7003)
Vulnerability from cvelistv5
Published
2024-03-15 17:09
Modified
2025-11-04 18:22
Severity ?
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-323 - Reusing a Nonce, Key Pair in Encryption
Summary
The AES key utilized in the pairing process between a lock using Sciener firmware and a wireless keypad is not unique, and can be reused to compromise other locks using the Sciener firmware.
References
Impacted products
Vendor Product Version
Sciener Kontrol Lux Version: 6.5.x   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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Mitigation

Phase: Implementation

Description:

  • Refuse to reuse nonce values.
Mitigation

Phase: Implementation

Description:

  • Use techniques such as requiring incrementing, time based and/or challenge response to assure uniqueness of nonces.

No CAPEC attack patterns related to this CWE.

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