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Alpine Linux: CVE-2020-15503: libraw lack of thumbnail size range check can lead to buffer overflow

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Alpine Linux: CVE-2020-15503: libraw lack of thumbnail size range check can lead to buffer overflow

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
07/02/2020
Created
08/07/2020
Added
08/07/2020
Modified
08/07/2020

Description

LibRaw before 0.20-RC1 lacks a thumbnail size range check. This affects decoders/unpack_thumb.cpp, postprocessing/mem_image.cpp, and utils/thumb_utils.cpp. For example, malloc(sizeof(libraw_processed_image_t)+T.tlength) occurs without validating T.tlength.

Solution(s)

  • alpine-linux-upgrade-libraw

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