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CVE-2021-3595

CVE-2021-3595

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

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and could occur while processing a udp packet that is smaller than the size of the 'tftp_t' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.

CVSS 3.8 · Baja · EPSS 0,3% · Corrección disponible

Publicación
Actualización

Pila tecnológica: system

Productos y versiones afectados

  • qemu

    Versiones
    • libslirp 4.6.0: Afectada

    Sin corrección publicada

  • libslirp Debian:12

    Intervalos de versiones afectados
    • ECOSYSTEM: < 4.6.1-1

    Actualiza a 4.6.1-1

  • libslirp Debian:13

    Intervalos de versiones afectados
    • ECOSYSTEM: < 4.6.1-1

    Actualiza a 4.6.1-1

  • libslirp Debian:14

    Intervalos de versiones afectados
    • ECOSYSTEM: < 4.6.1-1

    Actualiza a 4.6.1-1

  • qemu Debian:12

    Intervalos de versiones afectados
    • ECOSYSTEM: < 1:4.1-2

    Actualiza a 1:4.1-2

  • qemu Debian:13

    Intervalos de versiones afectados
    • ECOSYSTEM: < 1:4.1-2

    Actualiza a 1:4.1-2

  • qemu Debian:14

    Intervalos de versiones afectados
    • ECOSYSTEM: < 1:4.1-2

    Actualiza a 1:4.1-2

  • qemu Ubuntu:18.04:LTS

    Versiones
    • 1:2.10+dfsg-0ubuntu3
    • 1:2.10+dfsg-0ubuntu4
    • 1:2.10+dfsg-0ubuntu5
    • 1:2.11+dfsg-1ubuntu1
    • 1:2.11+dfsg-1ubuntu2
    • 1:2.11+dfsg-1ubuntu4
    • 1:2.11+dfsg-1ubuntu5
    • 1:2.11+dfsg-1ubuntu6
    • 1:2.11+dfsg-1ubuntu7
    • 1:2.11+dfsg-1ubuntu7.1
    • 1:2.11+dfsg-1ubuntu7.2
    • 1:2.11+dfsg-1ubuntu7.3
    • 1:2.11+dfsg-1ubuntu7.4
    • 1:2.11+dfsg-1ubuntu7.5
    • 1:2.11+dfsg-1ubuntu7.6
    • 1:2.11+dfsg-1ubuntu7.7
    • 1:2.11+dfsg-1ubuntu7.8
    • 1:2.11+dfsg-1ubuntu7.9
    • 1:2.11+dfsg-1ubuntu7.10
    • 1:2.11+dfsg-1ubuntu7.12
    • 1:2.11+dfsg-1ubuntu7.13
    • 1:2.11+dfsg-1ubuntu7.14
    • 1:2.11+dfsg-1ubuntu7.15
    • 1:2.11+dfsg-1ubuntu7.17
    • 1:2.11+dfsg-1ubuntu7.18
    • 1:2.11+dfsg-1ubuntu7.19
    • 1:2.11+dfsg-1ubuntu7.20
    • 1:2.11+dfsg-1ubuntu7.21
    • 1:2.11+dfsg-1ubuntu7.22
    • 1:2.11+dfsg-1ubuntu7.23
    • 1:2.11+dfsg-1ubuntu7.25
    • 1:2.11+dfsg-1ubuntu7.26
    • 1:2.11+dfsg-1ubuntu7.27
    • 1:2.11+dfsg-1ubuntu7.28
    • 1:2.11+dfsg-1ubuntu7.29
    • 1:2.11+dfsg-1ubuntu7.31
    • 1:2.11+dfsg-1ubuntu7.32
    • 1:2.11+dfsg-1ubuntu7.33
    • 1:2.11+dfsg-1ubuntu7.34
    • 1:2.11+dfsg-1ubuntu7.35
    • 1:2.11+dfsg-1ubuntu7.36
    Intervalos de versiones afectados
    • ECOSYSTEM: < 1:2.11+dfsg-1ubuntu7.37

    Actualiza a 1:2.11+dfsg-1ubuntu7.37

  • libslirp Ubuntu:20.04:LTS

    Versiones
    • 4.0.0-1
    • 4.0.0-2
    • 4.1.0-1
    • 4.1.0-2
    • 4.1.0-2ubuntu1
    • 4.1.0-2ubuntu2
    • 4.1.0-2ubuntu2.1
    Intervalos de versiones afectados
    • ECOSYSTEM: < 4.1.0-2ubuntu2.2

    Actualiza a 4.1.0-2ubuntu2.2

  • libslirp Ubuntu:22.04:LTS

    Versiones
    • 4.4.0-1build1
    Intervalos de versiones afectados
    • ECOSYSTEM: < 4.6.1-1

    Actualiza a 4.6.1-1

Fuentes originales

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