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  • #332
Closed
Open
Created Jul 10, 2020 by Emily@emily🤖

user/libraw: CVE-2020-15503: lack of size range check for thumbnails

Bugzilla ID 332
Alias(es) CVE-2020-15503
Reporter Max Rees (sroracle)
Assignee Max Rees (sroracle)
Reported 2020-07-10 16:29:46 -0500
Modified 2020-09-22 23:16:38 -0500
Status RESOLVED FIXED
Version 1.0-RC1
Hardware Adélie Linux / All
Importance --- / normal
Package(s) user/libraw
URL https://nvd.nist.gov/vuln/detail/CVE-2020-15503

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.

Upstream patch https://github.com/LibRaw/LibRaw/commit/20ad21c0d87ca80217aee47533d91e633ce1864d
RedHat backport https://bugzilla.redhat.com/attachment.cgi?id=1699874&action=diff

Edited Feb 02, 2022 by Zach van Rijn
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