CVE-2019-17263

Low

Description

In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue

SeverityLow
CVSS3.3
Exploit probability—
ProductLibfwsi
PublishedOct 6, 2019
First seenOct 6, 2019

How to fix

Update
  • libfwsi_project libfwsi20191006 or later

Affected products

ProductAffected versionsFixed in
libfwsi_project libfwsiv < 2019100620191006

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CVE-2019-17263 · Libfwsi · Dark Radar