p PatchFirst

CVE-2021-32708

CVE-2021-32708 · Time-of-check Time-of-use (TOCTOU) Race Condition in league/flysystem

Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.

Flysystem is an open source file storage library for PHP. The whitespace normalisation using in 1.x and 2.x removes any unicode whitespace. Under certain specific conditions this could potentially allow a malicious user to execute code remotely. The conditions are: A user is allowed to supply the path or filename of an uploaded file, the supplied path or filename is not checked against unicode chars, the supplied pathname checked against an extension deny-list, not an allow-list, the supplied path or filename contains a unicode whitespace char in the extension, the uploaded file is stored in a directory that allows PHP code to be executed. Given these conditions are met a user can upload and execute arbitrary code on the system under attack. The unicode whitespace removal has been replaced with a rejection (exception). For 1.x users, upgrade to 1.1.4. For 2.x users, upgrade to 2.1.1.

CVSS 9.8 · Crítica · EPSS 3,5% · Corrección disponible

Publicación
Actualización

Pila tecnológica: system · php

Productos y versiones afectados

  • flysystem

    Versiones
    • < 1.1.4: Afectada
    • >= 2.0.0, < 2.1.1: Afectada

    Sin corrección publicada

  • php-league-flysystem Debian:12

    Intervalos de versiones afectados
    • ECOSYSTEM: < 1.1.3-4

    Actualiza a 1.1.3-4

  • php-league-flysystem Debian:13

    Intervalos de versiones afectados
    • ECOSYSTEM: < 1.1.3-4

    Actualiza a 1.1.3-4

  • php-league-flysystem Debian:14

    Intervalos de versiones afectados
    • ECOSYSTEM: < 1.1.3-4

    Actualiza a 1.1.3-4

  • league/flysystem Packagist

    Versiones
    • 0.1.0
    • 0.1.1
    • 0.1.10
    • 0.1.11
    • 0.1.12
    • 0.1.13
    • 0.1.14
    • 0.1.15
    • 0.1.16
    • 0.1.17
    • 0.1.18
    • 0.1.19
    • 0.1.2
    • 0.1.20
    • 0.1.3
    • 0.1.4
    • 0.1.5
    • 0.1.6
    • 0.1.7
    • 0.1.8
    • 0.1.9
    • 0.2.0
    • 0.2.1
    • 0.2.10
    • 0.2.11
    • 0.2.12
    • 0.2.13
    • 0.2.14
    • 0.2.15
    • 0.2.2
    • 0.2.3
    • 0.2.4
    • 0.2.5
    • 0.2.6
    • 0.2.7
    • 0.2.8
    • 0.2.9
    • 0.3.0
    • 0.3.1
    • 0.3.2
    • 0.3.3
    • 0.3.4
    • 0.3.5
    • 0.4.0
    • 0.4.1
    • 0.4.2
    • 0.4.3
    • 0.4.4
    • 0.4.5
    • 0.5.0
    • 0.5.1
    • 0.5.10
    • 0.5.11
    • 0.5.12
    • 0.5.2
    • 0.5.3
    • 0.5.4
    • 0.5.5
    • 0.5.6
    • 0.5.7
    • 0.5.8
    • 0.5.9
    • 1.0.0
    • 1.0.0-alpha1
    • 1.0.1
    • 1.0.10
    • 1.0.11
    • 1.0.12
    • 1.0.13
    • 1.0.14
    • 1.0.15
    • 1.0.16
    • 1.0.17
    • 1.0.18
    • 1.0.19
    • 1.0.2
    • 1.0.20
    • 1.0.21
    • 1.0.22
    • 1.0.23
    • 1.0.24
    • 1.0.25
    • 1.0.26
    • 1.0.27
    • 1.0.28
    • 1.0.29
    • 1.0.3
    • 1.0.30
    • 1.0.31
    • 1.0.32
    • 1.0.33
    • 1.0.34
    • 1.0.35
    • 1.0.36
    • 1.0.37
    • 1.0.38
    • 1.0.39
    • 1.0.4
    • 1.0.40
    • 1.0.41
    • 1.0.42
    • 1.0.43
    • 1.0.44
    • 1.0.45
    • 1.0.46
    • 1.0.47
    • 1.0.48
    • 1.0.49
    • 1.0.5
    • 1.0.50
    • 1.0.51
    • 1.0.52
    • 1.0.53
    • 1.0.54
    • 1.0.55
    • 1.0.56
    • 1.0.57
    • 1.0.58
    • 1.0.59
    • 1.0.6
    • 1.0.60
    • 1.0.61
    • 1.0.62
    • 1.0.63
    • 1.0.64
    • 1.0.65
    • 1.0.66
    • 1.0.67
    • 1.0.68
    • 1.0.69
    • 1.0.7
    • 1.0.70
    • 1.0.8
    • 1.0.9
    • 1.1.0
    • 1.1.1
    • 1.1.2
    • 1.1.3
    Intervalos de versiones afectados
    • ECOSYSTEM: < 1.1.4

    Actualiza a 1.1.4

  • league/flysystem Packagist

    Versiones
    • 2.0.0
    • 2.0.1
    • 2.0.2
    • 2.0.3
    • 2.0.4
    • 2.0.5
    • 2.0.6
    • 2.0.7
    • 2.0.8
    • 2.1.0
    Intervalos de versiones afectados
    • ECOSYSTEM: ≥ 2.0.0, < 2.1.1

    Actualiza a 2.1.1

  • php-league-flysystem Ubuntu:16.04:LTS

    Versiones
    • 1.0.15-1
    • 1.0.16-1
    • 1.0.16-1build1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • php-league-flysystem Ubuntu:22.04:LTS

    Versiones
    • 1.1.3-4
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • php-league-flysystem Ubuntu:24.04:LTS

    Versiones
    • 1.1.10-1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • php-league-flysystem Ubuntu:25.10

    Versiones
    • 3.29.1-2
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • php-league-flysystem Ubuntu:26.10

    Versiones
    • 3.29.1-2
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • php-league-flysystem Ubuntu:26.04:LTS

    Versiones
    • 3.29.1-2
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

Fuentes originales

Comprueba tu servidor →