CVE-2020-21677

MEDIUM

6.5

Descripcion

A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.

Detalles CVE

Puntuacion CVSS v3.16.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioREQUIRED

Publicado8/10/2021

Ultima modificacion11/21/2024

Fuentenvd

Avistamientos honeypot0

Productos afectados

libsixel_project:libsixel

Debilidades (CWE)

CWE-787

Referencias

https://github.com/saitoha/libsixel/issues/123(cve@mitre.org)

https://github.com/saitoha/libsixel/issues/123(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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