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CVE-2023-27535

5.9 Moyenne

Publiée le 30/03/2023 à 22:15 · Modifiée le 24/10/2026 à 15:10 · Modifiée · Source : support@hackerone.com

Description

An authentication bypass vulnerability exists in libcurl <8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain FTP settings such as CURLOPT_FTP_ACCOUNT, CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPT_FTP_SSL_CCC, and CURLOPT_USE_SSL were not included in the configuration match checks, causing them to match too easily. This could lead to libcurl using the wrong credentials when performing a transfer, potentially allowing unauthorized access to sensitive information.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 5.9 Moyenne nvd@nist.gov (NVD) CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1 5.9 Moyenne 134c704f-9b21-4f2e-91b3-4a467353bcc0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Faiblesses (CWE)

Références

Ailleurs